Home / 347,322.40-519,601.20-301,088.80

Finding the Fourth Proportional to 347,322.40, 519,601.20 and 301,088.80

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Solution

The fourth proportional to 347,322.40, 519,601.20 and 301,088.80 is: 450,434.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,322.40 : 519,601.20 = 301,088.80 : x
  2. Step 2: Convert to fraction form
    347,322.40/519,601.20 = 301,088.80/x
  3. Step 3: Cross multiply
    347,322.40x = 519,601.20 × 301,088.80
  4. Step 4: Simplify right side
    347,322.40x = 156,446,101,786.56
  5. Step 5: Solve for x
    x = 156,446,101,786.56/347,322.40
  6. Step 6: Final answer
    x = 450,434.82

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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.