Home / 288,948.60-433,293.30-131,095.80

Finding the Fourth Proportional to 288,948.60, 433,293.30 and 131,095.80

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Solution

The fourth proportional to 288,948.60, 433,293.30 and 131,095.80 is: 196,584.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,948.60 : 433,293.30 = 131,095.80 : x
  2. Step 2: Convert to fraction form
    288,948.60/433,293.30 = 131,095.80/x
  3. Step 3: Cross multiply
    288,948.60x = 433,293.30 × 131,095.80
  4. Step 4: Simplify right side
    288,948.60x = 56,802,931,798.14
  5. Step 5: Solve for x
    x = 56,802,931,798.14/288,948.60
  6. Step 6: Final answer
    x = 196,584.90

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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.