Home / 268,403.21-370,387.03-147,543.63

Finding the Fourth Proportional to 268,403.21, 370,387.03 and 147,543.63

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Solution

The fourth proportional to 268,403.21, 370,387.03 and 147,543.63 is: 203,605.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,403.21 : 370,387.03 = 147,543.63 : x
  2. Step 2: Convert to fraction form
    268,403.21/370,387.03 = 147,543.63/x
  3. Step 3: Cross multiply
    268,403.21x = 370,387.03 × 147,543.63
  4. Step 4: Simplify right side
    268,403.21x = 54,648,246,911.12
  5. Step 5: Solve for x
    x = 54,648,246,911.12/268,403.21
  6. Step 6: Final answer
    x = 203,605.04

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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.