Home / 313,824.90-470,740.62-124,331.40

Finding the Fourth Proportional to 313,824.90, 470,740.62 and 124,331.40

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Solution

The fourth proportional to 313,824.90, 470,740.62 and 124,331.40 is: 186,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,824.90 : 470,740.62 = 124,331.40 : x
  2. Step 2: Convert to fraction form
    313,824.90/470,740.62 = 124,331.40/x
  3. Step 3: Cross multiply
    313,824.90x = 470,740.62 × 124,331.40
  4. Step 4: Simplify right side
    313,824.90x = 58,527,840,321.47
  5. Step 5: Solve for x
    x = 58,527,840,321.47/313,824.90
  6. Step 6: Final answer
    x = 186,498.40

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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.