Home / 454,717.49-681,888.56-155,222.22

Finding the Fourth Proportional to 454,717.49, 681,888.56 and 155,222.22

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Solution

The fourth proportional to 454,717.49, 681,888.56 and 155,222.22 is: 232,769.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,717.49 : 681,888.56 = 155,222.22 : x
  2. Step 2: Convert to fraction form
    454,717.49/681,888.56 = 155,222.22/x
  3. Step 3: Cross multiply
    454,717.49x = 681,888.56 × 155,222.22
  4. Step 4: Simplify right side
    454,717.49x = 105,844,252,666.36
  5. Step 5: Solve for x
    x = 105,844,252,666.36/454,717.49
  6. Step 6: Final answer
    x = 232,769.26

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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.