Home / 539,240.90-808,213.35-223,535.30

Finding the Fourth Proportional to 539,240.90, 808,213.35 and 223,535.30

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Solution

The fourth proportional to 539,240.90, 808,213.35 and 223,535.30 is: 335,034.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,240.90 : 808,213.35 = 223,535.30 : x
  2. Step 2: Convert to fraction form
    539,240.90/808,213.35 = 223,535.30/x
  3. Step 3: Cross multiply
    539,240.90x = 808,213.35 × 223,535.30
  4. Step 4: Simplify right side
    539,240.90x = 180,664,213,656.26
  5. Step 5: Solve for x
    x = 180,664,213,656.26/539,240.90
  6. Step 6: Final answer
    x = 335,034.33

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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.