Home / 476,445.28-714,657.84-121,459.36

Finding the Fourth Proportional to 476,445.28, 714,657.84 and 121,459.36

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Solution

The fourth proportional to 476,445.28, 714,657.84 and 121,459.36 is: 182,186.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,445.28 : 714,657.84 = 121,459.36 : x
  2. Step 2: Convert to fraction form
    476,445.28/714,657.84 = 121,459.36/x
  3. Step 3: Cross multiply
    476,445.28x = 714,657.84 × 121,459.36
  4. Step 4: Simplify right side
    476,445.28x = 86,801,883,865.38
  5. Step 5: Solve for x
    x = 86,801,883,865.38/476,445.28
  6. Step 6: Final answer
    x = 182,186.47

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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.