Home / 256,118.67-353,490.03-152,759.49

Finding the Fourth Proportional to 256,118.67, 353,490.03 and 152,759.49

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Solution

The fourth proportional to 256,118.67, 353,490.03 and 152,759.49 is: 210,835.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,118.67 : 353,490.03 = 152,759.49 : x
  2. Step 2: Convert to fraction form
    256,118.67/353,490.03 = 152,759.49/x
  3. Step 3: Cross multiply
    256,118.67x = 353,490.03 × 152,759.49
  4. Step 4: Simplify right side
    256,118.67x = 53,998,956,702.88
  5. Step 5: Solve for x
    x = 53,998,956,702.88/256,118.67
  6. Step 6: Final answer
    x = 210,835.69

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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.