Finding the Fourth Proportional to 215,565.13, 323,486.09 and 144,567.95
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Solution
The fourth proportional to 215,565.13, 323,486.09 and 144,567.95 is: 216,944.74
Step by Step Solution
- Step 1: Write the proportion equation
215,565.13 : 323,486.09 = 144,567.95 : x - Step 2: Convert to fraction form
215,565.13/323,486.09 = 144,567.95/x - Step 3: Cross multiply
215,565.13x = 323,486.09 × 144,567.95 - Step 4: Simplify right side
215,565.13x = 46,765,720,161.98 - Step 5: Solve for x
x = 46,765,720,161.98/215,565.13 - Step 6: Final answer
x = 216,944.74
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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.