Home / 285,264.60-393,670.62-170,661.24

Finding the Fourth Proportional to 285,264.60, 393,670.62 and 170,661.24

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Solution

The fourth proportional to 285,264.60, 393,670.62 and 170,661.24 is: 235,515.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,264.60 : 393,670.62 = 170,661.24 : x
  2. Step 2: Convert to fraction form
    285,264.60/393,670.62 = 170,661.24/x
  3. Step 3: Cross multiply
    285,264.60x = 393,670.62 × 170,661.24
  4. Step 4: Simplify right side
    285,264.60x = 67,184,316,160.77
  5. Step 5: Solve for x
    x = 67,184,316,160.77/285,264.60
  6. Step 6: Final answer
    x = 235,515.78

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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.