Home / 457,790.23-686,554.12-137,973.07

Finding the Fourth Proportional to 457,790.23, 686,554.12 and 137,973.07

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Solution

The fourth proportional to 457,790.23, 686,554.12 and 137,973.07 is: 206,920.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,790.23 : 686,554.12 = 137,973.07 : x
  2. Step 2: Convert to fraction form
    457,790.23/686,554.12 = 137,973.07/x
  3. Step 3: Cross multiply
    457,790.23x = 686,554.12 × 137,973.07
  4. Step 4: Simplify right side
    457,790.23x = 94,725,979,657.55
  5. Step 5: Solve for x
    x = 94,725,979,657.55/457,790.23
  6. Step 6: Final answer
    x = 206,920.06

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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.