Finding the Fourth Proportional to 542,502.77, 813,642.98 and 205,427.14
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Solution
The fourth proportional to 542,502.77, 813,642.98 and 205,427.14 is: 308,098.61
Step by Step Solution
- Step 1: Write the proportion equation
542,502.77 : 813,642.98 = 205,427.14 : x - Step 2: Convert to fraction form
542,502.77/813,642.98 = 205,427.14/x - Step 3: Cross multiply
542,502.77x = 813,642.98 × 205,427.14 - Step 4: Simplify right side
542,502.77x = 167,144,347,301.23 - Step 5: Solve for x
x = 167,144,347,301.23/542,502.77 - Step 6: Final answer
x = 308,098.61
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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.