Home / 460,155.42-635,326.20-288,142.40

Finding the Fourth Proportional to 460,155.42, 635,326.20 and 288,142.40

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Solution

The fourth proportional to 460,155.42, 635,326.20 and 288,142.40 is: 397,831.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,155.42 : 635,326.20 = 288,142.40 : x
  2. Step 2: Convert to fraction form
    460,155.42/635,326.20 = 288,142.40/x
  3. Step 3: Cross multiply
    460,155.42x = 635,326.20 × 288,142.40
  4. Step 4: Simplify right side
    460,155.42x = 183,064,416,050.88
  5. Step 5: Solve for x
    x = 183,064,416,050.88/460,155.42
  6. Step 6: Final answer
    x = 397,831.71

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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.