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Finding the Fourth Proportional to 454,011.01, 681,055.68 and 117,048.80

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Solution

The fourth proportional to 454,011.01, 681,055.68 and 117,048.80 is: 175,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,011.01 : 681,055.68 = 117,048.80 : x
  2. Step 2: Convert to fraction form
    454,011.01/681,055.68 = 117,048.80/x
  3. Step 3: Cross multiply
    454,011.01x = 681,055.68 × 117,048.80
  4. Step 4: Simplify right side
    454,011.01x = 79,716,750,077.18
  5. Step 5: Solve for x
    x = 79,716,750,077.18/454,011.01
  6. Step 6: Final answer
    x = 175,583.30

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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.