Home / 485,250.04-669,665.64-270,390.28

Finding the Fourth Proportional to 485,250.04, 669,665.64 and 270,390.28

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Solution

The fourth proportional to 485,250.04, 669,665.64 and 270,390.28 is: 373,150.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,250.04 : 669,665.64 = 270,390.28 : x
  2. Step 2: Convert to fraction form
    485,250.04/669,665.64 = 270,390.28/x
  3. Step 3: Cross multiply
    485,250.04x = 669,665.64 × 270,390.28
  4. Step 4: Simplify right side
    485,250.04x = 181,071,079,905.98
  5. Step 5: Solve for x
    x = 181,071,079,905.98/485,250.04
  6. Step 6: Final answer
    x = 373,150.06

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1.5x scale

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.