Home / 258,205.60-387,308.40-248,364.10

Finding the Fourth Proportional to 258,205.60, 387,308.40 and 248,364.10

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Solution

The fourth proportional to 258,205.60, 387,308.40 and 248,364.10 is: 372,546.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,205.60 : 387,308.40 = 248,364.10 : x
  2. Step 2: Convert to fraction form
    258,205.60/387,308.40 = 248,364.10/x
  3. Step 3: Cross multiply
    258,205.60x = 387,308.40 × 248,364.10
  4. Step 4: Simplify right side
    258,205.60x = 96,193,502,188.44
  5. Step 5: Solve for x
    x = 96,193,502,188.44/258,205.60
  6. Step 6: Final answer
    x = 372,546.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.