Home / 434,724.70-652,281.45-154,443.10

Finding the Fourth Proportional to 434,724.70, 652,281.45 and 154,443.10

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Solution

The fourth proportional to 434,724.70, 652,281.45 and 154,443.10 is: 231,733.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,724.70 : 652,281.45 = 154,443.10 : x
  2. Step 2: Convert to fraction form
    434,724.70/652,281.45 = 154,443.10/x
  3. Step 3: Cross multiply
    434,724.70x = 652,281.45 × 154,443.10
  4. Step 4: Simplify right side
    434,724.70x = 100,740,369,210.50
  5. Step 5: Solve for x
    x = 100,740,369,210.50/434,724.70
  6. Step 6: Final answer
    x = 231,733.71

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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.