Home / 286,037.60-394,730.62-158,712.89

Finding the Fourth Proportional to 286,037.60, 394,730.62 and 158,712.89

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Solution

The fourth proportional to 286,037.60, 394,730.62 and 158,712.89 is: 219,023.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,037.60 : 394,730.62 = 158,712.89 : x
  2. Step 2: Convert to fraction form
    286,037.60/394,730.62 = 158,712.89/x
  3. Step 3: Cross multiply
    286,037.60x = 394,730.62 × 158,712.89
  4. Step 4: Simplify right side
    286,037.60x = 62,648,835,101.26
  5. Step 5: Solve for x
    x = 62,648,835,101.26/286,037.60
  6. Step 6: Final answer
    x = 219,023.08

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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.