Home / 378,069.02-566,169.80-281,775.36

Finding the Fourth Proportional to 378,069.02, 566,169.80 and 281,775.36

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Solution

The fourth proportional to 378,069.02, 566,169.80 and 281,775.36 is: 421,967.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,069.02 : 566,169.80 = 281,775.36 : x
  2. Step 2: Convert to fraction form
    378,069.02/566,169.80 = 281,775.36/x
  3. Step 3: Cross multiply
    378,069.02x = 566,169.80 × 281,775.36
  4. Step 4: Simplify right side
    378,069.02x = 159,532,698,330.67
  5. Step 5: Solve for x
    x = 159,532,698,330.67/378,069.02
  6. Step 6: Final answer
    x = 421,967.13

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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.