Home / 434,723.10-652,117.05-154,203.90

Finding the Fourth Proportional to 434,723.10, 652,117.05 and 154,203.90

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Solution

The fourth proportional to 434,723.10, 652,117.05 and 154,203.90 is: 231,317.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,723.10 : 652,117.05 = 154,203.90 : x
  2. Step 2: Convert to fraction form
    434,723.10/652,117.05 = 154,203.90/x
  3. Step 3: Cross multiply
    434,723.10x = 652,117.05 × 154,203.90
  4. Step 4: Simplify right side
    434,723.10x = 100,558,992,366.50
  5. Step 5: Solve for x
    x = 100,558,992,366.50/434,723.10
  6. Step 6: Final answer
    x = 231,317.34

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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.