Home / 305,689.04-457,702.50-179,142.74

Finding the Fourth Proportional to 305,689.04, 457,702.50 and 179,142.74

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Solution

The fourth proportional to 305,689.04, 457,702.50 and 179,142.74 is: 268,227.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,689.04 : 457,702.50 = 179,142.74 : x
  2. Step 2: Convert to fraction form
    305,689.04/457,702.50 = 179,142.74/x
  3. Step 3: Cross multiply
    305,689.04x = 457,702.50 × 179,142.74
  4. Step 4: Simplify right side
    305,689.04x = 81,994,079,954.85
  5. Step 5: Solve for x
    x = 81,994,079,954.85/305,689.04
  6. Step 6: Final answer
    x = 268,227.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.