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Finding the Fourth Proportional to 346,263.60, 519,265.80 and 121,537.20

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Solution

The fourth proportional to 346,263.60, 519,265.80 and 121,537.20 is: 182,260.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,263.60 : 519,265.80 = 121,537.20 : x
  2. Step 2: Convert to fraction form
    346,263.60/519,265.80 = 121,537.20/x
  3. Step 3: Cross multiply
    346,263.60x = 519,265.80 × 121,537.20
  4. Step 4: Simplify right side
    346,263.60x = 63,110,111,387.76
  5. Step 5: Solve for x
    x = 63,110,111,387.76/346,263.60
  6. Step 6: Final answer
    x = 182,260.31

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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.