Home / 561,111.71-841,669.38-140,387.58

Finding the Fourth Proportional to 561,111.71, 841,669.38 and 140,387.58

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Solution

The fourth proportional to 561,111.71, 841,669.38 and 140,387.58 is: 210,581.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,111.71 : 841,669.38 = 140,387.58 : x
  2. Step 2: Convert to fraction form
    561,111.71/841,669.38 = 140,387.58/x
  3. Step 3: Cross multiply
    561,111.71x = 841,669.38 × 140,387.58
  4. Step 4: Simplify right side
    561,111.71x = 118,159,927,418.30
  5. Step 5: Solve for x
    x = 118,159,927,418.30/561,111.71
  6. Step 6: Final answer
    x = 210,581.83

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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.