Home / 336,432.02-505,520.39-252,978.53

Finding the Fourth Proportional to 336,432.02, 505,520.39 and 252,978.53

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Solution

The fourth proportional to 336,432.02, 505,520.39 and 252,978.53 is: 380,123.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,432.02 : 505,520.39 = 252,978.53 : x
  2. Step 2: Convert to fraction form
    336,432.02/505,520.39 = 252,978.53/x
  3. Step 3: Cross multiply
    336,432.02x = 505,520.39 × 252,978.53
  4. Step 4: Simplify right side
    336,432.02x = 127,885,803,252.07
  5. Step 5: Solve for x
    x = 127,885,803,252.07/336,432.02
  6. Step 6: Final answer
    x = 380,123.76

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1.5x scale

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.