Home / 318,489.04-477,837.24-152,290

Finding the Fourth Proportional to 318,489.04, 477,837.24 and 152,290

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Solution

The fourth proportional to 318,489.04, 477,837.24 and 152,290 is: 228,484.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,489.04 : 477,837.24 = 152,290 : x
  2. Step 2: Convert to fraction form
    318,489.04/477,837.24 = 152,290/x
  3. Step 3: Cross multiply
    318,489.04x = 477,837.24 × 152,290
  4. Step 4: Simplify right side
    318,489.04x = 72,769,833,279.60
  5. Step 5: Solve for x
    x = 72,769,833,279.60/318,489.04
  6. Step 6: Final answer
    x = 228,484.58

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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.