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Finding the Fourth Proportional to 539,938.40, 810,004.80 and 224,427.20

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Solution

The fourth proportional to 539,938.40, 810,004.80 and 224,427.20 is: 336,681.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,938.40 : 810,004.80 = 224,427.20 : x
  2. Step 2: Convert to fraction form
    539,938.40/810,004.80 = 224,427.20/x
  3. Step 3: Cross multiply
    539,938.40x = 810,004.80 × 224,427.20
  4. Step 4: Simplify right side
    539,938.40x = 181,787,109,250.56
  5. Step 5: Solve for x
    x = 181,787,109,250.56/539,938.40
  6. Step 6: Final answer
    x = 336,681.20

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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.