Home / 379,831.42-524,176.55-207,765.55

Finding the Fourth Proportional to 379,831.42, 524,176.55 and 207,765.55

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Solution

The fourth proportional to 379,831.42, 524,176.55 and 207,765.55 is: 286,721.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,831.42 : 524,176.55 = 207,765.55 : x
  2. Step 2: Convert to fraction form
    379,831.42/524,176.55 = 207,765.55/x
  3. Step 3: Cross multiply
    379,831.42x = 524,176.55 × 207,765.55
  4. Step 4: Simplify right side
    379,831.42x = 108,905,829,207.85
  5. Step 5: Solve for x
    x = 108,905,829,207.85/379,831.42
  6. Step 6: Final answer
    x = 286,721.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.