Finding the Fourth Proportional to 97,116.60, 145,383.30 and 57,653.40
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Solution
The fourth proportional to 97,116.60, 145,383.30 and 57,653.40 is: 86,306.99
Step by Step Solution
- Step 1: Write the proportion equation
97,116.60 : 145,383.30 = 57,653.40 : x - Step 2: Convert to fraction form
97,116.60/145,383.30 = 57,653.40/x - Step 3: Cross multiply
97,116.60x = 145,383.30 × 57,653.40 - Step 4: Simplify right side
97,116.60x = 8,381,841,548.22 - Step 5: Solve for x
x = 8,381,841,548.22/97,116.60 - Step 6: Final answer
x = 86,306.99
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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.