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Finding the Fourth Proportional to 170,679.84, 256,019.89 and 58,360.91

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Solution

The fourth proportional to 170,679.84, 256,019.89 and 58,360.91 is: 87,541.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,679.84 : 256,019.89 = 58,360.91 : x
  2. Step 2: Convert to fraction form
    170,679.84/256,019.89 = 58,360.91/x
  3. Step 3: Cross multiply
    170,679.84x = 256,019.89 × 58,360.91
  4. Step 4: Simplify right side
    170,679.84x = 14,941,553,758.50
  5. Step 5: Solve for x
    x = 14,941,553,758.50/170,679.84
  6. Step 6: Final answer
    x = 87,541.41

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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.