Home / 313,564.20-470,000.70-173,423.40

Finding the Fourth Proportional to 313,564.20, 470,000.70 and 173,423.40

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Solution

The fourth proportional to 313,564.20, 470,000.70 and 173,423.40 is: 259,943.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,564.20 : 470,000.70 = 173,423.40 : x
  2. Step 2: Convert to fraction form
    313,564.20/470,000.70 = 173,423.40/x
  3. Step 3: Cross multiply
    313,564.20x = 470,000.70 × 173,423.40
  4. Step 4: Simplify right side
    313,564.20x = 81,509,119,396.38
  5. Step 5: Solve for x
    x = 81,509,119,396.38/313,564.20
  6. Step 6: Final answer
    x = 259,943.96

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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.