Home / 286,748.60-395,733.86-172,032.20

Finding the Fourth Proportional to 286,748.60, 395,733.86 and 172,032.20

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Solution

The fourth proportional to 286,748.60, 395,733.86 and 172,032.20 is: 237,416.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,748.60 : 395,733.86 = 172,032.20 : x
  2. Step 2: Convert to fraction form
    286,748.60/395,733.86 = 172,032.20/x
  3. Step 3: Cross multiply
    286,748.60x = 395,733.86 × 172,032.20
  4. Step 4: Simplify right side
    286,748.60x = 68,078,966,550.29
  5. Step 5: Solve for x
    x = 68,078,966,550.29/286,748.60
  6. Step 6: Final answer
    x = 237,416.91

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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.