Home / 206,918.02-310,327.82-57,155.00

Finding the Fourth Proportional to 206,918.02, 310,327.82 and 57,155.00

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Solution

The fourth proportional to 206,918.02, 310,327.82 and 57,155.00 is: 85,718.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,918.02 : 310,327.82 = 57,155.00 : x
  2. Step 2: Convert to fraction form
    206,918.02/310,327.82 = 57,155.00/x
  3. Step 3: Cross multiply
    206,918.02x = 310,327.82 × 57,155.00
  4. Step 4: Simplify right side
    206,918.02x = 17,736,785,000.46
  5. Step 5: Solve for x
    x = 17,736,785,000.46/206,918.02
  6. Step 6: Final answer
    x = 85,718.90

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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.