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Finding the Fourth Proportional to 191,256.36, 286,662.80 and 169,113

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Solution

The fourth proportional to 191,256.36, 286,662.80 and 169,113 is: 253,473.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,256.36 : 286,662.80 = 169,113 : x
  2. Step 2: Convert to fraction form
    191,256.36/286,662.80 = 169,113/x
  3. Step 3: Cross multiply
    191,256.36x = 286,662.80 × 169,113
  4. Step 4: Simplify right side
    191,256.36x = 48,478,406,096.40
  5. Step 5: Solve for x
    x = 48,478,406,096.40/191,256.36
  6. Step 6: Final answer
    x = 253,473.43

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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.