Home / 369,738.32-554,607.50-120,420.32

Finding the Fourth Proportional to 369,738.32, 554,607.50 and 120,420.32

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Solution

The fourth proportional to 369,738.32, 554,607.50 and 120,420.32 is: 180,630.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,738.32 : 554,607.50 = 120,420.32 : x
  2. Step 2: Convert to fraction form
    369,738.32/554,607.50 = 120,420.32/x
  3. Step 3: Cross multiply
    369,738.32x = 554,607.50 × 120,420.32
  4. Step 4: Simplify right side
    369,738.32x = 66,786,009,249.26
  5. Step 5: Solve for x
    x = 66,786,009,249.26/369,738.32
  6. Step 6: Final answer
    x = 180,630.48

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.