Home / 434,513.60-651,835.20-154,008.80

Finding the Fourth Proportional to 434,513.60, 651,835.20 and 154,008.80

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Solution

The fourth proportional to 434,513.60, 651,835.20 and 154,008.80 is: 231,036.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,513.60 : 651,835.20 = 154,008.80 : x
  2. Step 2: Convert to fraction form
    434,513.60/651,835.20 = 154,008.80/x
  3. Step 3: Cross multiply
    434,513.60x = 651,835.20 × 154,008.80
  4. Step 4: Simplify right side
    434,513.60x = 100,388,356,949.76
  5. Step 5: Solve for x
    x = 100,388,356,949.76/434,513.60
  6. Step 6: Final answer
    x = 231,036.17

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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.