Home / 313,657.11-470,511.18-188,154.90

Finding the Fourth Proportional to 313,657.11, 470,511.18 and 188,154.90

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Solution

The fourth proportional to 313,657.11, 470,511.18 and 188,154.90 is: 282,247.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,657.11 : 470,511.18 = 188,154.90 : x
  2. Step 2: Convert to fraction form
    313,657.11/470,511.18 = 188,154.90/x
  3. Step 3: Cross multiply
    313,657.11x = 470,511.18 × 188,154.90
  4. Step 4: Simplify right side
    313,657.11x = 88,528,984,021.78
  5. Step 5: Solve for x
    x = 88,528,984,021.78/313,657.11
  6. Step 6: Final answer
    x = 282,247.66

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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.