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Finding the Fourth Proportional to 666,168.18, 999,242.99 and 160,724.91

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Solution

The fourth proportional to 666,168.18, 999,242.99 and 160,724.91 is: 241,085.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,168.18 : 999,242.99 = 160,724.91 : x
  2. Step 2: Convert to fraction form
    666,168.18/999,242.99 = 160,724.91/x
  3. Step 3: Cross multiply
    666,168.18x = 999,242.99 × 160,724.91
  4. Step 4: Simplify right side
    666,168.18x = 160,603,243,182.14
  5. Step 5: Solve for x
    x = 160,603,243,182.14/666,168.18
  6. Step 6: Final answer
    x = 241,085.13

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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.