Home / 358,060.98-494,130.18-205,112.55

Finding the Fourth Proportional to 358,060.98, 494,130.18 and 205,112.55

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Solution

The fourth proportional to 358,060.98, 494,130.18 and 205,112.55 is: 283,058.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,060.98 : 494,130.18 = 205,112.55 : x
  2. Step 2: Convert to fraction form
    358,060.98/494,130.18 = 205,112.55/x
  3. Step 3: Cross multiply
    358,060.98x = 494,130.18 × 205,112.55
  4. Step 4: Simplify right side
    358,060.98x = 101,352,301,251.76
  5. Step 5: Solve for x
    x = 101,352,301,251.76/358,060.98
  6. Step 6: Final answer
    x = 283,058.77

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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.