Home / 248,720.30-343,136.57-153,060.92

Finding the Fourth Proportional to 248,720.30, 343,136.57 and 153,060.92

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Solution

The fourth proportional to 248,720.30, 343,136.57 and 153,060.92 is: 211,164.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,720.30 : 343,136.57 = 153,060.92 : x
  2. Step 2: Convert to fraction form
    248,720.30/343,136.57 = 153,060.92/x
  3. Step 3: Cross multiply
    248,720.30x = 343,136.57 × 153,060.92
  4. Step 4: Simplify right side
    248,720.30x = 52,520,799,089.84
  5. Step 5: Solve for x
    x = 52,520,799,089.84/248,720.30
  6. Step 6: Final answer
    x = 211,164.10

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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.