Home / 434,678.32-651,557.30-146,215.35

Finding the Fourth Proportional to 434,678.32, 651,557.30 and 146,215.35

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Solution

The fourth proportional to 434,678.32, 651,557.30 and 146,215.35 is: 219,168.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,678.32 : 651,557.30 = 146,215.35 : x
  2. Step 2: Convert to fraction form
    434,678.32/651,557.30 = 146,215.35/x
  3. Step 3: Cross multiply
    434,678.32x = 651,557.30 × 146,215.35
  4. Step 4: Simplify right side
    434,678.32x = 95,267,678,755.94
  5. Step 5: Solve for x
    x = 95,267,678,755.94/434,678.32
  6. Step 6: Final answer
    x = 219,168.23

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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.