Home / 255,877.85-353,115.09-148,480.35

Finding the Fourth Proportional to 255,877.85, 353,115.09 and 148,480.35

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Solution

The fourth proportional to 255,877.85, 353,115.09 and 148,480.35 is: 204,905.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,877.85 : 353,115.09 = 148,480.35 : x
  2. Step 2: Convert to fraction form
    255,877.85/353,115.09 = 148,480.35/x
  3. Step 3: Cross multiply
    255,877.85x = 353,115.09 × 148,480.35
  4. Step 4: Simplify right side
    255,877.85x = 52,430,652,710.28
  5. Step 5: Solve for x
    x = 52,430,652,710.28/255,877.85
  6. Step 6: Final answer
    x = 204,905.01

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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.