Home / 318,483.02-477,787.17-105,242.33

Finding the Fourth Proportional to 318,483.02, 477,787.17 and 105,242.33

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Solution

The fourth proportional to 318,483.02, 477,787.17 and 105,242.33 is: 157,884.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,483.02 : 477,787.17 = 105,242.33 : x
  2. Step 2: Convert to fraction form
    318,483.02/477,787.17 = 105,242.33/x
  3. Step 3: Cross multiply
    318,483.02x = 477,787.17 × 105,242.33
  4. Step 4: Simplify right side
    318,483.02x = 50,283,435,014.91
  5. Step 5: Solve for x
    x = 50,283,435,014.91/318,483.02
  6. Step 6: Final answer
    x = 157,884.19

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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.