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Finding the Fourth Proportional to 170,549.84, 255,856.35 and 58,223.90

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Solution

The fourth proportional to 170,549.84, 255,856.35 and 58,223.90 is: 87,346.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,549.84 : 255,856.35 = 58,223.90 : x
  2. Step 2: Convert to fraction form
    170,549.84/255,856.35 = 58,223.90/x
  3. Step 3: Cross multiply
    170,549.84x = 255,856.35 × 58,223.90
  4. Step 4: Simplify right side
    170,549.84x = 14,896,954,536.77
  5. Step 5: Solve for x
    x = 14,896,954,536.77/170,549.84
  6. Step 6: Final answer
    x = 87,346.63

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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.