Home / 666,980.36-1,000,472.91-161,541.68

Finding the Fourth Proportional to 666,980.36, 1,000,472.91 and 161,541.68

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Solution

The fourth proportional to 666,980.36, 1,000,472.91 and 161,541.68 is: 242,313.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,980.36 : 1,000,472.91 = 161,541.68 : x
  2. Step 2: Convert to fraction form
    666,980.36/1,000,472.91 = 161,541.68/x
  3. Step 3: Cross multiply
    666,980.36x = 1,000,472.91 × 161,541.68
  4. Step 4: Simplify right side
    666,980.36x = 161,618,069,673.52
  5. Step 5: Solve for x
    x = 161,618,069,673.52/666,980.36
  6. Step 6: Final answer
    x = 242,313.09

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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.