Home / 318,575.95-477,848.33-118,880.76

Finding the Fourth Proportional to 318,575.95, 477,848.33 and 118,880.76

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Solution

The fourth proportional to 318,575.95, 477,848.33 and 118,880.76 is: 178,315.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,575.95 : 477,848.33 = 118,880.76 : x
  2. Step 2: Convert to fraction form
    318,575.95/477,848.33 = 118,880.76/x
  3. Step 3: Cross multiply
    318,575.95x = 477,848.33 × 118,880.76
  4. Step 4: Simplify right side
    318,575.95x = 56,806,974,278.46
  5. Step 5: Solve for x
    x = 56,806,974,278.46/318,575.95
  6. Step 6: Final answer
    x = 178,315.33

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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.