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Finding the Fourth Proportional to 283,094.76, 390,542.01 and 168,308.28

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Solution

The fourth proportional to 283,094.76, 390,542.01 and 168,308.28 is: 232,188.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,094.76 : 390,542.01 = 168,308.28 : x
  2. Step 2: Convert to fraction form
    283,094.76/390,542.01 = 168,308.28/x
  3. Step 3: Cross multiply
    283,094.76x = 390,542.01 × 168,308.28
  4. Step 4: Simplify right side
    283,094.76x = 65,731,453,970.84
  5. Step 5: Solve for x
    x = 65,731,453,970.84/283,094.76
  6. Step 6: Final answer
    x = 232,188.88

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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.