Home / 666,979.70-1,000,471.90-161,541.01

Finding the Fourth Proportional to 666,979.70, 1,000,471.90 and 161,541.01

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Solution

The fourth proportional to 666,979.70, 1,000,471.90 and 161,541.01 is: 242,312.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,979.70 : 1,000,471.90 = 161,541.01 : x
  2. Step 2: Convert to fraction form
    666,979.70/1,000,471.90 = 161,541.01/x
  3. Step 3: Cross multiply
    666,979.70x = 1,000,471.90 × 161,541.01
  4. Step 4: Simplify right side
    666,979.70x = 161,617,241,202.62
  5. Step 5: Solve for x
    x = 161,617,241,202.62/666,979.70
  6. Step 6: Final answer
    x = 242,312.08

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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.