Home / 268,622.20-370,658.10-153,883

Finding the Fourth Proportional to 268,622.20, 370,658.10 and 153,883

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Solution

The fourth proportional to 268,622.20, 370,658.10 and 153,883 is: 212,335.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,622.20 : 370,658.10 = 153,883 : x
  2. Step 2: Convert to fraction form
    268,622.20/370,658.10 = 153,883/x
  3. Step 3: Cross multiply
    268,622.20x = 370,658.10 × 153,883
  4. Step 4: Simplify right side
    268,622.20x = 57,037,980,402.30
  5. Step 5: Solve for x
    x = 57,037,980,402.30/268,622.20
  6. Step 6: Final answer
    x = 212,335.32

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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.