Finding the Fourth Proportional to 97,230.98, 134,240.68 and 79,368.46
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Solution
The fourth proportional to 97,230.98, 134,240.68 and 79,368.46 is: 109,579.03
Step by Step Solution
- Step 1: Write the proportion equation
97,230.98 : 134,240.68 = 79,368.46 : x - Step 2: Convert to fraction form
97,230.98/134,240.68 = 79,368.46/x - Step 3: Cross multiply
97,230.98x = 134,240.68 × 79,368.46 - Step 4: Simplify right side
97,230.98x = 10,654,476,040.95 - Step 5: Solve for x
x = 10,654,476,040.95/97,230.98 - Step 6: Final answer
x = 109,579.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.