Home / 286,060.64-394,763.76-158,756.72

Finding the Fourth Proportional to 286,060.64, 394,763.76 and 158,756.72

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Solution

The fourth proportional to 286,060.64, 394,763.76 and 158,756.72 is: 219,084.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,060.64 : 394,763.76 = 158,756.72 : x
  2. Step 2: Convert to fraction form
    286,060.64/394,763.76 = 158,756.72/x
  3. Step 3: Cross multiply
    286,060.64x = 394,763.76 × 158,756.72
  4. Step 4: Simplify right side
    286,060.64x = 62,671,399,712.47
  5. Step 5: Solve for x
    x = 62,671,399,712.47/286,060.64
  6. Step 6: Final answer
    x = 219,084.32

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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.