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Finding the Fourth Proportional to 283,751.67, 425,635.38 and 70,510.97

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Solution

The fourth proportional to 283,751.67, 425,635.38 and 70,510.97 is: 105,768.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,751.67 : 425,635.38 = 70,510.97 : x
  2. Step 2: Convert to fraction form
    283,751.67/425,635.38 = 70,510.97/x
  3. Step 3: Cross multiply
    283,751.67x = 425,635.38 × 70,510.97
  4. Step 4: Simplify right side
    283,751.67x = 30,011,963,510.12
  5. Step 5: Solve for x
    x = 30,011,963,510.12/283,751.67
  6. Step 6: Final answer
    x = 105,768.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.