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Finding the Fourth Proportional to 233,316.60, 349,586.10 and 219,319.80

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Solution

The fourth proportional to 233,316.60, 349,586.10 and 219,319.80 is: 328,614.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,316.60 : 349,586.10 = 219,319.80 : x
  2. Step 2: Convert to fraction form
    233,316.60/349,586.10 = 219,319.80/x
  3. Step 3: Cross multiply
    233,316.60x = 349,586.10 × 219,319.80
  4. Step 4: Simplify right side
    233,316.60x = 76,671,153,534.78
  5. Step 5: Solve for x
    x = 76,671,153,534.78/233,316.60
  6. Step 6: Final answer
    x = 328,614.22

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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.