Home / 358,451.14-537,678.22-145,223.20

Finding the Fourth Proportional to 358,451.14, 537,678.22 and 145,223.20

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Solution

The fourth proportional to 358,451.14, 537,678.22 and 145,223.20 is: 217,835.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,451.14 : 537,678.22 = 145,223.20 : x
  2. Step 2: Convert to fraction form
    358,451.14/537,678.22 = 145,223.20/x
  3. Step 3: Cross multiply
    358,451.14x = 537,678.22 × 145,223.20
  4. Step 4: Simplify right side
    358,451.14x = 78,083,351,678.70
  5. Step 5: Solve for x
    x = 78,083,351,678.70/358,451.14
  6. Step 6: Final answer
    x = 217,835.41

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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.