Finding the Fourth Proportional to 133,398.80, 200,207.55 and 129,024.80
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Solution
The fourth proportional to 133,398.80, 200,207.55 and 129,024.80 is: 193,642.96
Step by Step Solution
- Step 1: Write the proportion equation
133,398.80 : 200,207.55 = 129,024.80 : x - Step 2: Convert to fraction form
133,398.80/200,207.55 = 129,024.80/x - Step 3: Cross multiply
133,398.80x = 200,207.55 × 129,024.80 - Step 4: Simplify right side
133,398.80x = 25,831,739,097.24 - Step 5: Solve for x
x = 25,831,739,097.24/133,398.80 - Step 6: Final answer
x = 193,642.96
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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.