Home / 665,311.39-997,966.98-159,872.37

Finding the Fourth Proportional to 665,311.39, 997,966.98 and 159,872.37

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Solution

The fourth proportional to 665,311.39, 997,966.98 and 159,872.37 is: 239,808.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,311.39 : 997,966.98 = 159,872.37 : x
  2. Step 2: Convert to fraction form
    665,311.39/997,966.98 = 159,872.37/x
  3. Step 3: Cross multiply
    665,311.39x = 997,966.98 × 159,872.37
  4. Step 4: Simplify right side
    665,311.39x = 159,547,342,400.39
  5. Step 5: Solve for x
    x = 159,547,342,400.39/665,311.39
  6. Step 6: Final answer
    x = 239,808.52

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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.