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Finding the Fourth Proportional to 311,365.59, 465,342.40 and 227,302.77

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Solution

The fourth proportional to 311,365.59, 465,342.40 and 227,302.77 is: 339,708.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,365.59 : 465,342.40 = 227,302.77 : x
  2. Step 2: Convert to fraction form
    311,365.59/465,342.40 = 227,302.77/x
  3. Step 3: Cross multiply
    311,365.59x = 465,342.40 × 227,302.77
  4. Step 4: Simplify right side
    311,365.59x = 105,773,618,547.61
  5. Step 5: Solve for x
    x = 105,773,618,547.61/311,365.59
  6. Step 6: Final answer
    x = 339,708.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.