Home / 347,388.24-518,161.65-315,496.92

Finding the Fourth Proportional to 347,388.24, 518,161.65 and 315,496.92

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Solution

The fourth proportional to 347,388.24, 518,161.65 and 315,496.92 is: 470,592.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,388.24 : 518,161.65 = 315,496.92 : x
  2. Step 2: Convert to fraction form
    347,388.24/518,161.65 = 315,496.92/x
  3. Step 3: Cross multiply
    347,388.24x = 518,161.65 × 315,496.92
  4. Step 4: Simplify right side
    347,388.24x = 163,478,404,637.12
  5. Step 5: Solve for x
    x = 163,478,404,637.12/347,388.24
  6. Step 6: Final answer
    x = 470,592.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.