Home / 313,929.40-470,894.10-103,516.60

Finding the Fourth Proportional to 313,929.40, 470,894.10 and 103,516.60

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Solution

The fourth proportional to 313,929.40, 470,894.10 and 103,516.60 is: 155,274.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,929.40 : 470,894.10 = 103,516.60 : x
  2. Step 2: Convert to fraction form
    313,929.40/470,894.10 = 103,516.60/x
  3. Step 3: Cross multiply
    313,929.40x = 470,894.10 × 103,516.60
  4. Step 4: Simplify right side
    313,929.40x = 48,745,356,192.06
  5. Step 5: Solve for x
    x = 48,745,356,192.06/313,929.40
  6. Step 6: Final answer
    x = 155,274.90

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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.