Home / 318,815.02-439,967.64-175,575.64

Finding the Fourth Proportional to 318,815.02, 439,967.64 and 175,575.64

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Solution

The fourth proportional to 318,815.02, 439,967.64 and 175,575.64 is: 242,295.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,815.02 : 439,967.64 = 175,575.64 : x
  2. Step 2: Convert to fraction form
    318,815.02/439,967.64 = 175,575.64/x
  3. Step 3: Cross multiply
    318,815.02x = 439,967.64 × 175,575.64
  4. Step 4: Simplify right side
    318,815.02x = 77,247,599,972.29
  5. Step 5: Solve for x
    x = 77,247,599,972.29/318,815.02
  6. Step 6: Final answer
    x = 242,295.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.