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Finding the Fourth Proportional to 169,483.64, 254,125.78 and 64,310

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Solution

The fourth proportional to 169,483.64, 254,125.78 and 64,310 is: 96,427.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,483.64 : 254,125.78 = 64,310 : x
  2. Step 2: Convert to fraction form
    169,483.64/254,125.78 = 64,310/x
  3. Step 3: Cross multiply
    169,483.64x = 254,125.78 × 64,310
  4. Step 4: Simplify right side
    169,483.64x = 16,342,828,911.80
  5. Step 5: Solve for x
    x = 16,342,828,911.80/169,483.64
  6. Step 6: Final answer
    x = 96,427.18

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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.