Home / 539,130.30-808,557.03-159,961.32

Finding the Fourth Proportional to 539,130.30, 808,557.03 and 159,961.32

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Solution

The fourth proportional to 539,130.30, 808,557.03 and 159,961.32 is: 239,900.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,130.30 : 808,557.03 = 159,961.32 : x
  2. Step 2: Convert to fraction form
    539,130.30/808,557.03 = 159,961.32/x
  3. Step 3: Cross multiply
    539,130.30x = 808,557.03 × 159,961.32
  4. Step 4: Simplify right side
    539,130.30x = 129,337,849,814.08
  5. Step 5: Solve for x
    x = 129,337,849,814.08/539,130.30
  6. Step 6: Final answer
    x = 239,900.91

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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.