Finding the Fourth Proportional to 391,114.08, 539,737.65 and 212,266.08
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Solution
The fourth proportional to 391,114.08, 539,737.65 and 212,266.08 is: 292,927.31
Step by Step Solution
- Step 1: Write the proportion equation
391,114.08 : 539,737.65 = 212,266.08 : x - Step 2: Convert to fraction form
391,114.08/539,737.65 = 212,266.08/x - Step 3: Cross multiply
391,114.08x = 539,737.65 × 212,266.08 - Step 4: Simplify right side
391,114.08x = 114,567,995,193.91 - Step 5: Solve for x
x = 114,567,995,193.91/391,114.08 - Step 6: Final answer
x = 292,927.31
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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.