Finding the Fourth Proportional to 402,246.86, 555,102.99 and 220,952.79
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Solution
The fourth proportional to 402,246.86, 555,102.99 and 220,952.79 is: 304,916.13
Step by Step Solution
- Step 1: Write the proportion equation
402,246.86 : 555,102.99 = 220,952.79 : x - Step 2: Convert to fraction form
402,246.86/555,102.99 = 220,952.79/x - Step 3: Cross multiply
402,246.86x = 555,102.99 × 220,952.79 - Step 4: Simplify right side
402,246.86x = 122,651,554,377.84 - Step 5: Solve for x
x = 122,651,554,377.84/402,246.86 - Step 6: Final answer
x = 304,916.13
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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.