Home / 292,347.09-438,484.19-82,001.43

Finding the Fourth Proportional to 292,347.09, 438,484.19 and 82,001.43

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Solution

The fourth proportional to 292,347.09, 438,484.19 and 82,001.43 is: 122,991.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,347.09 : 438,484.19 = 82,001.43 : x
  2. Step 2: Convert to fraction form
    292,347.09/438,484.19 = 82,001.43/x
  3. Step 3: Cross multiply
    292,347.09x = 438,484.19 × 82,001.43
  4. Step 4: Simplify right side
    292,347.09x = 35,956,330,202.38
  5. Step 5: Solve for x
    x = 35,956,330,202.38/292,347.09
  6. Step 6: Final answer
    x = 122,991.92

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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.