Finding the Fourth Proportional to 97,235.80, 145,853.70 and 82,655.80
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Solution
The fourth proportional to 97,235.80, 145,853.70 and 82,655.80 is: 123,983.70
Step by Step Solution
- Step 1: Write the proportion equation
97,235.80 : 145,853.70 = 82,655.80 : x - Step 2: Convert to fraction form
97,235.80/145,853.70 = 82,655.80/x - Step 3: Cross multiply
97,235.80x = 145,853.70 × 82,655.80 - Step 4: Simplify right side
97,235.80x = 12,055,654,256.46 - Step 5: Solve for x
x = 12,055,654,256.46/97,235.80 - Step 6: Final answer
x = 123,983.70
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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.