Finding the Fourth Proportional to 135,101.68, 202,543.20 and 56,275.12
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Solution
The fourth proportional to 135,101.68, 202,543.20 and 56,275.12 is: 84,367.14
Step by Step Solution
- Step 1: Write the proportion equation
135,101.68 : 202,543.20 = 56,275.12 : x - Step 2: Convert to fraction form
135,101.68/202,543.20 = 56,275.12/x - Step 3: Cross multiply
135,101.68x = 202,543.20 × 56,275.12 - Step 4: Simplify right side
135,101.68x = 11,398,142,885.18 - Step 5: Solve for x
x = 11,398,142,885.18/135,101.68 - Step 6: Final answer
x = 84,367.14
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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.