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Finding the Fourth Proportional to 248,988.34, 343,630.52 and 152,248.89

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Solution

The fourth proportional to 248,988.34, 343,630.52 and 152,248.89 is: 210,119.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,988.34 : 343,630.52 = 152,248.89 : x
  2. Step 2: Convert to fraction form
    248,988.34/343,630.52 = 152,248.89/x
  3. Step 3: Cross multiply
    248,988.34x = 343,630.52 × 152,248.89
  4. Step 4: Simplify right side
    248,988.34x = 52,317,365,240.12
  5. Step 5: Solve for x
    x = 52,317,365,240.12/248,988.34
  6. Step 6: Final answer
    x = 210,119.74

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1.5x scale

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.