Home / 369,643.20-554,464.80-276,331.20

Finding the Fourth Proportional to 369,643.20, 554,464.80 and 276,331.20

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Solution

The fourth proportional to 369,643.20, 554,464.80 and 276,331.20 is: 414,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,643.20 : 554,464.80 = 276,331.20 : x
  2. Step 2: Convert to fraction form
    369,643.20/554,464.80 = 276,331.20/x
  3. Step 3: Cross multiply
    369,643.20x = 554,464.80 × 276,331.20
  4. Step 4: Simplify right side
    369,643.20x = 153,215,923,541.76
  5. Step 5: Solve for x
    x = 153,215,923,541.76/369,643.20
  6. Step 6: Final answer
    x = 414,496.80

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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.