Finding the Fourth Proportional to 367,691.68, 507,427.68 and 206,543.20
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Solution
The fourth proportional to 367,691.68, 507,427.68 and 206,543.20 is: 285,037.01
Step by Step Solution
- Step 1: Write the proportion equation
367,691.68 : 507,427.68 = 206,543.20 : x - Step 2: Convert to fraction form
367,691.68/507,427.68 = 206,543.20/x - Step 3: Cross multiply
367,691.68x = 507,427.68 × 206,543.20 - Step 4: Simplify right side
367,691.68x = 104,805,736,795.78 - Step 5: Solve for x
x = 104,805,736,795.78/367,691.68 - Step 6: Final answer
x = 285,037.01
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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.