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Finding the Fourth Proportional to 258,358.02, 356,594.04 and 162,995.10

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Solution

The fourth proportional to 258,358.02, 356,594.04 and 162,995.10 is: 224,971.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,358.02 : 356,594.04 = 162,995.10 : x
  2. Step 2: Convert to fraction form
    258,358.02/356,594.04 = 162,995.10/x
  3. Step 3: Cross multiply
    258,358.02x = 356,594.04 × 162,995.10
  4. Step 4: Simplify right side
    258,358.02x = 58,123,081,209.20
  5. Step 5: Solve for x
    x = 58,123,081,209.20/258,358.02
  6. Step 6: Final answer
    x = 224,971.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.