Home / 282,467.02-423,700.39-72,104.89

Finding the Fourth Proportional to 282,467.02, 423,700.39 and 72,104.89

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Solution

The fourth proportional to 282,467.02, 423,700.39 and 72,104.89 is: 108,157.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,467.02 : 423,700.39 = 72,104.89 : x
  2. Step 2: Convert to fraction form
    282,467.02/423,700.39 = 72,104.89/x
  3. Step 3: Cross multiply
    282,467.02x = 423,700.39 × 72,104.89
  4. Step 4: Simplify right side
    282,467.02x = 30,550,867,715.14
  5. Step 5: Solve for x
    x = 30,550,867,715.14/282,467.02
  6. Step 6: Final answer
    x = 108,157.29

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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.