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Finding the Fourth Proportional to 173,385.84, 260,079.84 and 53,441.28

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Solution

The fourth proportional to 173,385.84, 260,079.84 and 53,441.28 is: 80,162.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,385.84 : 260,079.84 = 53,441.28 : x
  2. Step 2: Convert to fraction form
    173,385.84/260,079.84 = 53,441.28/x
  3. Step 3: Cross multiply
    173,385.84x = 260,079.84 × 53,441.28
  4. Step 4: Simplify right side
    173,385.84x = 13,898,999,551.80
  5. Step 5: Solve for x
    x = 13,898,999,551.80/173,385.84
  6. Step 6: Final answer
    x = 80,162.25

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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.