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Finding the Fourth Proportional to 666,168.16, 999,242.94 and 160,724.90

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Solution

The fourth proportional to 666,168.16, 999,242.94 and 160,724.90 is: 241,085.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,168.16 : 999,242.94 = 160,724.90 : x
  2. Step 2: Convert to fraction form
    666,168.16/999,242.94 = 160,724.90/x
  3. Step 3: Cross multiply
    666,168.16x = 999,242.94 × 160,724.90
  4. Step 4: Simplify right side
    666,168.16x = 160,603,221,607.21
  5. Step 5: Solve for x
    x = 160,603,221,607.21/666,168.16
  6. Step 6: Final answer
    x = 241,085.11

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1.5x scale

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.