Home / 426,133.04-639,033.51-159,748.25

Finding the Fourth Proportional to 426,133.04, 639,033.51 and 159,748.25

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Solution

The fourth proportional to 426,133.04, 639,033.51 and 159,748.25 is: 239,560.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,133.04 : 639,033.51 = 159,748.25 : x
  2. Step 2: Convert to fraction form
    426,133.04/639,033.51 = 159,748.25/x
  3. Step 3: Cross multiply
    426,133.04x = 639,033.51 × 159,748.25
  4. Step 4: Simplify right side
    426,133.04x = 102,084,484,913.86
  5. Step 5: Solve for x
    x = 102,084,484,913.86/426,133.04
  6. Step 6: Final answer
    x = 239,560.13

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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.