Finding the Fourth Proportional to 310,913.13, 466,369.92 and 86,273.79
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Solution
The fourth proportional to 310,913.13, 466,369.92 and 86,273.79 is: 129,410.75
Step by Step Solution
- Step 1: Write the proportion equation
310,913.13 : 466,369.92 = 86,273.79 : x - Step 2: Convert to fraction form
310,913.13/466,369.92 = 86,273.79/x - Step 3: Cross multiply
310,913.13x = 466,369.92 × 86,273.79 - Step 4: Simplify right side
310,913.13x = 40,235,500,540.40 - Step 5: Solve for x
x = 40,235,500,540.40/310,913.13 - Step 6: Final answer
x = 129,410.75
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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.