Home / 210,275.94-289,835.10-149,042.64

Finding the Fourth Proportional to 210,275.94, 289,835.10 and 149,042.64

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Solution

The fourth proportional to 210,275.94, 289,835.10 and 149,042.64 is: 205,433.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,275.94 : 289,835.10 = 149,042.64 : x
  2. Step 2: Convert to fraction form
    210,275.94/289,835.10 = 149,042.64/x
  3. Step 3: Cross multiply
    210,275.94x = 289,835.10 × 149,042.64
  4. Step 4: Simplify right side
    210,275.94x = 43,197,788,468.66
  5. Step 5: Solve for x
    x = 43,197,788,468.66/210,275.94
  6. Step 6: Final answer
    x = 205,433.81

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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.