Home / 714,157.19-1,071,242.06-181,678.78

Finding the Fourth Proportional to 714,157.19, 1,071,242.06 and 181,678.78

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Solution

The fourth proportional to 714,157.19, 1,071,242.06 and 181,678.78 is: 272,519.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,157.19 : 1,071,242.06 = 181,678.78 : x
  2. Step 2: Convert to fraction form
    714,157.19/1,071,242.06 = 181,678.78/x
  3. Step 3: Cross multiply
    714,157.19x = 1,071,242.06 × 181,678.78
  4. Step 4: Simplify right side
    714,157.19x = 194,621,951,998.09
  5. Step 5: Solve for x
    x = 194,621,951,998.09/714,157.19
  6. Step 6: Final answer
    x = 272,519.77

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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.