Home / 313,983.24-470,991.16-103,637.60

Finding the Fourth Proportional to 313,983.24, 470,991.16 and 103,637.60

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Solution

The fourth proportional to 313,983.24, 470,991.16 and 103,637.60 is: 155,461.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,983.24 : 470,991.16 = 103,637.60 : x
  2. Step 2: Convert to fraction form
    313,983.24/470,991.16 = 103,637.60/x
  3. Step 3: Cross multiply
    313,983.24x = 470,991.16 × 103,637.60
  4. Step 4: Simplify right side
    313,983.24x = 48,812,393,443.62
  5. Step 5: Solve for x
    x = 48,812,393,443.62/313,983.24
  6. Step 6: Final answer
    x = 155,461.78

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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.