Home / 360,406.02-496,824.93-309,171.90

Finding the Fourth Proportional to 360,406.02, 496,824.93 and 309,171.90

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Solution

The fourth proportional to 360,406.02, 496,824.93 and 309,171.90 is: 426,197.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,406.02 : 496,824.93 = 309,171.90 : x
  2. Step 2: Convert to fraction form
    360,406.02/496,824.93 = 309,171.90/x
  3. Step 3: Cross multiply
    360,406.02x = 496,824.93 × 309,171.90
  4. Step 4: Simplify right side
    360,406.02x = 153,604,307,575.47
  5. Step 5: Solve for x
    x = 153,604,307,575.47/360,406.02
  6. Step 6: Final answer
    x = 426,197.95

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1.5x scale

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.