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Finding the Fourth Proportional to 358,580.20, 537,870.30 and 225,869.80

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Solution

The fourth proportional to 358,580.20, 537,870.30 and 225,869.80 is: 338,804.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,580.20 : 537,870.30 = 225,869.80 : x
  2. Step 2: Convert to fraction form
    358,580.20/537,870.30 = 225,869.80/x
  3. Step 3: Cross multiply
    358,580.20x = 537,870.30 × 225,869.80
  4. Step 4: Simplify right side
    358,580.20x = 121,488,657,086.94
  5. Step 5: Solve for x
    x = 121,488,657,086.94/358,580.20
  6. Step 6: Final answer
    x = 338,804.70

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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.