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Finding the Fourth Proportional to 538,643.80, 808,158.57 and 230,766.58

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Solution

The fourth proportional to 538,643.80, 808,158.57 and 230,766.58 is: 346,232.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,643.80 : 808,158.57 = 230,766.58 : x
  2. Step 2: Convert to fraction form
    538,643.80/808,158.57 = 230,766.58/x
  3. Step 3: Cross multiply
    538,643.80x = 808,158.57 × 230,766.58
  4. Step 4: Simplify right side
    538,643.80x = 186,495,989,296.59
  5. Step 5: Solve for x
    x = 186,495,989,296.59/538,643.80
  6. Step 6: Final answer
    x = 346,232.50

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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.