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Finding the Fourth Proportional to 450,061.76, 675,161.76 and 134,482.88

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Solution

The fourth proportional to 450,061.76, 675,161.76 and 134,482.88 is: 201,744.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,061.76 : 675,161.76 = 134,482.88 : x
  2. Step 2: Convert to fraction form
    450,061.76/675,161.76 = 134,482.88/x
  3. Step 3: Cross multiply
    450,061.76x = 675,161.76 × 134,482.88
  4. Step 4: Simplify right side
    450,061.76x = 90,797,697,950.67
  5. Step 5: Solve for x
    x = 90,797,697,950.67/450,061.76
  6. Step 6: Final answer
    x = 201,744.97

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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.