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Finding the Fourth Proportional to 210,124.80, 279,244.80 and 210,124.80

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Solution

The fourth proportional to 210,124.80, 279,244.80 and 210,124.80 is: 279,244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,124.80 : 279,244.80 = 210,124.80 : x
  2. Step 2: Convert to fraction form
    210,124.80/279,244.80 = 210,124.80/x
  3. Step 3: Cross multiply
    210,124.80x = 279,244.80 × 210,124.80
  4. Step 4: Simplify right side
    210,124.80x = 58,676,257,751.04
  5. Step 5: Solve for x
    x = 58,676,257,751.04/210,124.80
  6. Step 6: Final answer
    x = 279,244.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.