Home / 645,225.17-967,834.51-165,450.83

Finding the Fourth Proportional to 645,225.17, 967,834.51 and 165,450.83

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Solution

The fourth proportional to 645,225.17, 967,834.51 and 165,450.83 is: 248,175.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,225.17 : 967,834.51 = 165,450.83 : x
  2. Step 2: Convert to fraction form
    645,225.17/967,834.51 = 165,450.83/x
  3. Step 3: Cross multiply
    645,225.17x = 967,834.51 × 165,450.83
  4. Step 4: Simplify right side
    645,225.17x = 160,129,017,315.72
  5. Step 5: Solve for x
    x = 160,129,017,315.72/645,225.17
  6. Step 6: Final answer
    x = 248,175.41

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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.