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Finding the Fourth Proportional to 253,659.37, 379,885.11 and 146,818.35

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Solution

The fourth proportional to 253,659.37, 379,885.11 and 146,818.35 is: 219,877.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,659.37 : 379,885.11 = 146,818.35 : x
  2. Step 2: Convert to fraction form
    253,659.37/379,885.11 = 146,818.35/x
  3. Step 3: Cross multiply
    253,659.37x = 379,885.11 × 146,818.35
  4. Step 4: Simplify right side
    253,659.37x = 55,774,105,039.77
  5. Step 5: Solve for x
    x = 55,774,105,039.77/253,659.37
  6. Step 6: Final answer
    x = 219,877.96

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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.