Home / 286,648.29-394,671.15-260,076.24

Finding the Fourth Proportional to 286,648.29, 394,671.15 and 260,076.24

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Solution

The fourth proportional to 286,648.29, 394,671.15 and 260,076.24 is: 358,085.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,648.29 : 394,671.15 = 260,076.24 : x
  2. Step 2: Convert to fraction form
    286,648.29/394,671.15 = 260,076.24/x
  3. Step 3: Cross multiply
    286,648.29x = 394,671.15 × 260,076.24
  4. Step 4: Simplify right side
    286,648.29x = 102,644,588,728.48
  5. Step 5: Solve for x
    x = 102,644,588,728.48/286,648.29
  6. Step 6: Final answer
    x = 358,085.47

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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.