Home / 279,627.52-385,884-152,302.72

Finding the Fourth Proportional to 279,627.52, 385,884 and 152,302.72

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Solution

The fourth proportional to 279,627.52, 385,884 and 152,302.72 is: 210,176.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,627.52 : 385,884 = 152,302.72 : x
  2. Step 2: Convert to fraction form
    279,627.52/385,884 = 152,302.72/x
  3. Step 3: Cross multiply
    279,627.52x = 385,884 × 152,302.72
  4. Step 4: Simplify right side
    279,627.52x = 58,771,182,804.48
  5. Step 5: Solve for x
    x = 58,771,182,804.48/279,627.52
  6. Step 6: Final answer
    x = 210,176.68

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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.