Home / 288,815.90-433,275.48-99,227.30

Finding the Fourth Proportional to 288,815.90, 433,275.48 and 99,227.30

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Solution

The fourth proportional to 288,815.90, 433,275.48 and 99,227.30 is: 148,858.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,815.90 : 433,275.48 = 99,227.30 : x
  2. Step 2: Convert to fraction form
    288,815.90/433,275.48 = 99,227.30/x
  3. Step 3: Cross multiply
    288,815.90x = 433,275.48 × 99,227.30
  4. Step 4: Simplify right side
    288,815.90x = 42,992,753,870.23
  5. Step 5: Solve for x
    x = 42,992,753,870.23/288,815.90
  6. Step 6: Final answer
    x = 148,858.68

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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.