Home / 268,130.98-370,023.78-147,275.06

Finding the Fourth Proportional to 268,130.98, 370,023.78 and 147,275.06

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Solution

The fourth proportional to 268,130.98, 370,023.78 and 147,275.06 is: 203,241.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,130.98 : 370,023.78 = 147,275.06 : x
  2. Step 2: Convert to fraction form
    268,130.98/370,023.78 = 147,275.06/x
  3. Step 3: Cross multiply
    268,130.98x = 370,023.78 × 147,275.06
  4. Step 4: Simplify right side
    268,130.98x = 54,495,274,400.93
  5. Step 5: Solve for x
    x = 54,495,274,400.93/268,130.98
  6. Step 6: Final answer
    x = 203,241.25

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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.