Home / 434,829.60-652,309.20-154,323.36

Finding the Fourth Proportional to 434,829.60, 652,309.20 and 154,323.36

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Solution

The fourth proportional to 434,829.60, 652,309.20 and 154,323.36 is: 231,508.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,829.60 : 652,309.20 = 154,323.36 : x
  2. Step 2: Convert to fraction form
    434,829.60/652,309.20 = 154,323.36/x
  3. Step 3: Cross multiply
    434,829.60x = 652,309.20 × 154,323.36
  4. Step 4: Simplify right side
    434,829.60x = 100,666,547,502.91
  5. Step 5: Solve for x
    x = 100,666,547,502.91/434,829.60
  6. Step 6: Final answer
    x = 231,508.04

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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.