Home / 369,738.69-554,608.04-120,420.69

Finding the Fourth Proportional to 369,738.69, 554,608.04 and 120,420.69

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Solution

The fourth proportional to 369,738.69, 554,608.04 and 120,420.69 is: 180,631.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,738.69 : 554,608.04 = 120,420.69 : x
  2. Step 2: Convert to fraction form
    369,738.69/554,608.04 = 120,420.69/x
  3. Step 3: Cross multiply
    369,738.69x = 554,608.04 × 120,420.69
  4. Step 4: Simplify right side
    369,738.69x = 66,786,282,254.24
  5. Step 5: Solve for x
    x = 66,786,282,254.24/369,738.69
  6. Step 6: Final answer
    x = 180,631.04

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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.