Home / 252,349.02-378,465.12-74,813.22

Finding the Fourth Proportional to 252,349.02, 378,465.12 and 74,813.22

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Solution

The fourth proportional to 252,349.02, 378,465.12 and 74,813.22 is: 112,202.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,349.02 : 378,465.12 = 74,813.22 : x
  2. Step 2: Convert to fraction form
    252,349.02/378,465.12 = 74,813.22/x
  3. Step 3: Cross multiply
    252,349.02x = 378,465.12 × 74,813.22
  4. Step 4: Simplify right side
    252,349.02x = 28,314,194,284.89
  5. Step 5: Solve for x
    x = 28,314,194,284.89/252,349.02
  6. Step 6: Final answer
    x = 112,202.51

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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.