Home / 572,087.28-858,124.26-139,808.34

Finding the Fourth Proportional to 572,087.28, 858,124.26 and 139,808.34

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Solution

The fourth proportional to 572,087.28, 858,124.26 and 139,808.34 is: 209,710.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,087.28 : 858,124.26 = 139,808.34 : x
  2. Step 2: Convert to fraction form
    572,087.28/858,124.26 = 139,808.34/x
  3. Step 3: Cross multiply
    572,087.28x = 858,124.26 × 139,808.34
  4. Step 4: Simplify right side
    572,087.28x = 119,972,928,304.33
  5. Step 5: Solve for x
    x = 119,972,928,304.33/572,087.28
  6. Step 6: Final answer
    x = 209,710.88

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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.