Home / 275,029.95-379,534.50-152,521.62

Finding the Fourth Proportional to 275,029.95, 379,534.50 and 152,521.62

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Solution

The fourth proportional to 275,029.95, 379,534.50 and 152,521.62 is: 210,476.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,029.95 : 379,534.50 = 152,521.62 : x
  2. Step 2: Convert to fraction form
    275,029.95/379,534.50 = 152,521.62/x
  3. Step 3: Cross multiply
    275,029.95x = 379,534.50 × 152,521.62
  4. Step 4: Simplify right side
    275,029.95x = 57,887,216,785.89
  5. Step 5: Solve for x
    x = 57,887,216,785.89/275,029.95
  6. Step 6: Final answer
    x = 210,476.05

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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.