Home / 420,296.16-579,929.28-250,546.08

Finding the Fourth Proportional to 420,296.16, 579,929.28 and 250,546.08

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Solution

The fourth proportional to 420,296.16, 579,929.28 and 250,546.08 is: 345,706.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,296.16 : 579,929.28 = 250,546.08 : x
  2. Step 2: Convert to fraction form
    420,296.16/579,929.28 = 250,546.08/x
  3. Step 3: Cross multiply
    420,296.16x = 579,929.28 × 250,546.08
  4. Step 4: Simplify right side
    420,296.16x = 145,299,007,781.22
  5. Step 5: Solve for x
    x = 145,299,007,781.22/420,296.16
  6. Step 6: Final answer
    x = 345,706.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.