Home / 456,565.80-684,942.06-157,007.46

Finding the Fourth Proportional to 456,565.80, 684,942.06 and 157,007.46

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Solution

The fourth proportional to 456,565.80, 684,942.06 and 157,007.46 is: 235,543.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,565.80 : 684,942.06 = 157,007.46 : x
  2. Step 2: Convert to fraction form
    456,565.80/684,942.06 = 157,007.46/x
  3. Step 3: Cross multiply
    456,565.80x = 684,942.06 × 157,007.46
  4. Step 4: Simplify right side
    456,565.80x = 107,541,013,087.77
  5. Step 5: Solve for x
    x = 107,541,013,087.77/456,565.80
  6. Step 6: Final answer
    x = 235,543.30

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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.