Home / 292,980.65-439,432.07-82,635.53

Finding the Fourth Proportional to 292,980.65, 439,432.07 and 82,635.53

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Solution

The fourth proportional to 292,980.65, 439,432.07 and 82,635.53 is: 123,942.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,980.65 : 439,432.07 = 82,635.53 : x
  2. Step 2: Convert to fraction form
    292,980.65/439,432.07 = 82,635.53/x
  3. Step 3: Cross multiply
    292,980.65x = 439,432.07 × 82,635.53
  4. Step 4: Simplify right side
    292,980.65x = 36,312,699,393.11
  5. Step 5: Solve for x
    x = 36,312,699,393.11/292,980.65
  6. Step 6: Final answer
    x = 123,942.32

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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.