Home / 376,999.20-565,389.45-137,085.30

Finding the Fourth Proportional to 376,999.20, 565,389.45 and 137,085.30

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Solution

The fourth proportional to 376,999.20, 565,389.45 and 137,085.30 is: 205,588.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,999.20 : 565,389.45 = 137,085.30 : x
  2. Step 2: Convert to fraction form
    376,999.20/565,389.45 = 137,085.30/x
  3. Step 3: Cross multiply
    376,999.20x = 565,389.45 × 137,085.30
  4. Step 4: Simplify right side
    376,999.20x = 77,506,582,370.09
  5. Step 5: Solve for x
    x = 77,506,582,370.09/376,999.20
  6. Step 6: Final answer
    x = 205,588.19

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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.