Finding the Fourth Proportional to 97,125.20, 129,259.46 and 97,125.20
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Solution
The fourth proportional to 97,125.20, 129,259.46 and 97,125.20 is: 129,259.46
Step by Step Solution
- Step 1: Write the proportion equation
97,125.20 : 129,259.46 = 97,125.20 : x - Step 2: Convert to fraction form
97,125.20/129,259.46 = 97,125.20/x - Step 3: Cross multiply
97,125.20x = 129,259.46 × 97,125.20 - Step 4: Simplify right side
97,125.20x = 12,554,350,904.39 - Step 5: Solve for x
x = 12,554,350,904.39/97,125.20 - Step 6: Final answer
x = 129,259.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.