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Finding the Fourth Proportional to 370,554.68, 511,168.25 and 225,404.84

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Solution

The fourth proportional to 370,554.68, 511,168.25 and 225,404.84 is: 310,938.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,554.68 : 511,168.25 = 225,404.84 : x
  2. Step 2: Convert to fraction form
    370,554.68/511,168.25 = 225,404.84/x
  3. Step 3: Cross multiply
    370,554.68x = 511,168.25 × 225,404.84
  4. Step 4: Simplify right side
    370,554.68x = 115,219,799,445.76
  5. Step 5: Solve for x
    x = 115,219,799,445.76/370,554.68
  6. Step 6: Final answer
    x = 310,938.72

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1.5x scale

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.