Home / 477,035.98-715,587.09-161,386.18

Finding the Fourth Proportional to 477,035.98, 715,587.09 and 161,386.18

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Solution

The fourth proportional to 477,035.98, 715,587.09 and 161,386.18 is: 242,090.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,035.98 : 715,587.09 = 161,386.18 : x
  2. Step 2: Convert to fraction form
    477,035.98/715,587.09 = 161,386.18/x
  3. Step 3: Cross multiply
    477,035.98x = 715,587.09 × 161,386.18
  4. Step 4: Simplify right side
    477,035.98x = 115,485,866,912.42
  5. Step 5: Solve for x
    x = 115,485,866,912.42/477,035.98
  6. Step 6: Final answer
    x = 242,090.47

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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.