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Finding the Fourth Proportional to 283,162.73, 390,707.92 and 162,341.91

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Solution

The fourth proportional to 283,162.73, 390,707.92 and 162,341.91 is: 223,999.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,162.73 : 390,707.92 = 162,341.91 : x
  2. Step 2: Convert to fraction form
    283,162.73/390,707.92 = 162,341.91/x
  3. Step 3: Cross multiply
    283,162.73x = 390,707.92 × 162,341.91
  4. Step 4: Simplify right side
    283,162.73x = 63,428,269,173.22
  5. Step 5: Solve for x
    x = 63,428,269,173.22/283,162.73
  6. Step 6: Final answer
    x = 223,999.36

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1.5x scale

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.