Home / 426,148.04-639,055.92-159,763.34

Finding the Fourth Proportional to 426,148.04, 639,055.92 and 159,763.34

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Solution

The fourth proportional to 426,148.04, 639,055.92 and 159,763.34 is: 239,582.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,148.04 : 639,055.92 = 159,763.34 : x
  2. Step 2: Convert to fraction form
    426,148.04/639,055.92 = 159,763.34/x
  3. Step 3: Cross multiply
    426,148.04x = 639,055.92 × 159,763.34
  4. Step 4: Simplify right side
    426,148.04x = 102,097,708,225.97
  5. Step 5: Solve for x
    x = 102,097,708,225.97/426,148.04
  6. Step 6: Final answer
    x = 239,582.72

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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.