Home / 374,831.68-562,469.28-138,339.04

Finding the Fourth Proportional to 374,831.68, 562,469.28 and 138,339.04

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Solution

The fourth proportional to 374,831.68, 562,469.28 and 138,339.04 is: 207,590.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,831.68 : 562,469.28 = 138,339.04 : x
  2. Step 2: Convert to fraction form
    374,831.68/562,469.28 = 138,339.04/x
  3. Step 3: Cross multiply
    374,831.68x = 562,469.28 × 138,339.04
  4. Step 4: Simplify right side
    374,831.68x = 77,811,460,224.69
  5. Step 5: Solve for x
    x = 77,811,460,224.69/374,831.68
  6. Step 6: Final answer
    x = 207,590.40

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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.