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Finding the Fourth Proportional to 283,269.34, 390,862.02 and 170,094.52

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Solution

The fourth proportional to 283,269.34, 390,862.02 and 170,094.52 is: 234,700.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,269.34 : 390,862.02 = 170,094.52 : x
  2. Step 2: Convert to fraction form
    283,269.34/390,862.02 = 170,094.52/x
  3. Step 3: Cross multiply
    283,269.34x = 390,862.02 × 170,094.52
  4. Step 4: Simplify right side
    283,269.34x = 66,483,487,678.13
  5. Step 5: Solve for x
    x = 66,483,487,678.13/283,269.34
  6. Step 6: Final answer
    x = 234,700.61

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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.