Home / 268,141.18-370,018.47-147,258.94

Finding the Fourth Proportional to 268,141.18, 370,018.47 and 147,258.94

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Solution

The fourth proportional to 268,141.18, 370,018.47 and 147,258.94 is: 203,208.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,141.18 : 370,018.47 = 147,258.94 : x
  2. Step 2: Convert to fraction form
    268,141.18/370,018.47 = 147,258.94/x
  3. Step 3: Cross multiply
    268,141.18x = 370,018.47 × 147,258.94
  4. Step 4: Simplify right side
    268,141.18x = 54,488,527,672.62
  5. Step 5: Solve for x
    x = 54,488,527,672.62/268,141.18
  6. Step 6: Final answer
    x = 203,208.35

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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.