Finding the Fourth Proportional to 310,906.62, 466,359.93 and 86,267.09
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Solution
The fourth proportional to 310,906.62, 466,359.93 and 86,267.09 is: 129,400.64
Step by Step Solution
- Step 1: Write the proportion equation
310,906.62 : 466,359.93 = 86,267.09 : x - Step 2: Convert to fraction form
310,906.62/466,359.93 = 86,267.09/x - Step 3: Cross multiply
310,906.62x = 466,359.93 × 86,267.09 - Step 4: Simplify right side
310,906.62x = 40,231,515,219.60 - Step 5: Solve for x
x = 40,231,515,219.60/310,906.62 - Step 6: Final answer
x = 129,400.64
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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.