Home / 321,526.14-443,615.58-253,331.70

Finding the Fourth Proportional to 321,526.14, 443,615.58 and 253,331.70

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Solution

The fourth proportional to 321,526.14, 443,615.58 and 253,331.70 is: 349,526.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,526.14 : 443,615.58 = 253,331.70 : x
  2. Step 2: Convert to fraction form
    321,526.14/443,615.58 = 253,331.70/x
  3. Step 3: Cross multiply
    321,526.14x = 443,615.58 × 253,331.70
  4. Step 4: Simplify right side
    321,526.14x = 112,381,889,027.89
  5. Step 5: Solve for x
    x = 112,381,889,027.89/321,526.14
  6. Step 6: Final answer
    x = 349,526.45

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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.