Home / 485,237.04-669,647.70-270,377.28

Finding the Fourth Proportional to 485,237.04, 669,647.70 and 270,377.28

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Solution

The fourth proportional to 485,237.04, 669,647.70 and 270,377.28 is: 373,132.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,237.04 : 669,647.70 = 270,377.28 : x
  2. Step 2: Convert to fraction form
    485,237.04/669,647.70 = 270,377.28/x
  3. Step 3: Cross multiply
    485,237.04x = 669,647.70 × 270,377.28
  4. Step 4: Simplify right side
    485,237.04x = 181,057,523,684.26
  5. Step 5: Solve for x
    x = 181,057,523,684.26/485,237.04
  6. Step 6: Final answer
    x = 373,132.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.