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Finding the Fourth Proportional to 346,253.66, 519,410.28 and 121,594.82

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Solution

The fourth proportional to 346,253.66, 519,410.28 and 121,594.82 is: 182,402.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,253.66 : 519,410.28 = 121,594.82 : x
  2. Step 2: Convert to fraction form
    346,253.66/519,410.28 = 121,594.82/x
  3. Step 3: Cross multiply
    346,253.66x = 519,410.28 × 121,594.82
  4. Step 4: Simplify right side
    346,253.66x = 63,157,599,502.75
  5. Step 5: Solve for x
    x = 63,157,599,502.75/346,253.66
  6. Step 6: Final answer
    x = 182,402.69

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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.