Home / 440,935.02-661,331.66-121,012.16

Finding the Fourth Proportional to 440,935.02, 661,331.66 and 121,012.16

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Solution

The fourth proportional to 440,935.02, 661,331.66 and 121,012.16 is: 181,498.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,935.02 : 661,331.66 = 121,012.16 : x
  2. Step 2: Convert to fraction form
    440,935.02/661,331.66 = 121,012.16/x
  3. Step 3: Cross multiply
    440,935.02x = 661,331.66 × 121,012.16
  4. Step 4: Simplify right side
    440,935.02x = 80,029,168,741.27
  5. Step 5: Solve for x
    x = 80,029,168,741.27/440,935.02
  6. Step 6: Final answer
    x = 181,498.78

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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.