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Finding the Fourth Proportional to 340,265.32, 510,289.13 and 112,518.63

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Solution

The fourth proportional to 340,265.32, 510,289.13 and 112,518.63 is: 168,741.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,265.32 : 510,289.13 = 112,518.63 : x
  2. Step 2: Convert to fraction form
    340,265.32/510,289.13 = 112,518.63/x
  3. Step 3: Cross multiply
    340,265.32x = 510,289.13 × 112,518.63
  4. Step 4: Simplify right side
    340,265.32x = 57,417,034,092.79
  5. Step 5: Solve for x
    x = 57,417,034,092.79/340,265.32
  6. Step 6: Final answer
    x = 168,741.95

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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.