Finding the Fourth Proportional to 108,646.20, 163,406.70 and 97,273.80
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Solution
The fourth proportional to 108,646.20, 163,406.70 and 97,273.80 is: 146,302.32
Step by Step Solution
- Step 1: Write the proportion equation
108,646.20 : 163,406.70 = 97,273.80 : x - Step 2: Convert to fraction form
108,646.20/163,406.70 = 97,273.80/x - Step 3: Cross multiply
108,646.20x = 163,406.70 × 97,273.80 - Step 4: Simplify right side
108,646.20x = 15,895,190,654.46 - Step 5: Solve for x
x = 15,895,190,654.46/108,646.20 - Step 6: Final answer
x = 146,302.32
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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.