Finding the Fourth Proportional to 372,456.30, 514,001.36 and 211,318.14
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Solution
The fourth proportional to 372,456.30, 514,001.36 and 211,318.14 is: 291,625.65
Step by Step Solution
- Step 1: Write the proportion equation
372,456.30 : 514,001.36 = 211,318.14 : x - Step 2: Convert to fraction form
372,456.30/514,001.36 = 211,318.14/x - Step 3: Cross multiply
372,456.30x = 514,001.36 × 211,318.14 - Step 4: Simplify right side
372,456.30x = 108,617,811,352.67 - Step 5: Solve for x
x = 108,617,811,352.67/372,456.30 - Step 6: Final answer
x = 291,625.65
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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.