Home / 810,168.48-1,215,221.40-202,955.76

Finding the Fourth Proportional to 810,168.48, 1,215,221.40 and 202,955.76

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Solution

The fourth proportional to 810,168.48, 1,215,221.40 and 202,955.76 is: 304,425.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,168.48 : 1,215,221.40 = 202,955.76 : x
  2. Step 2: Convert to fraction form
    810,168.48/1,215,221.40 = 202,955.76/x
  3. Step 3: Cross multiply
    810,168.48x = 1,215,221.40 × 202,955.76
  4. Step 4: Simplify right side
    810,168.48x = 246,636,182,805.26
  5. Step 5: Solve for x
    x = 246,636,182,805.26/810,168.48
  6. Step 6: Final answer
    x = 304,425.79

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1.5x scale

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.