Finding the Fourth Proportional to 642,295.17, 886,461.71 and 370,309.79
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Solution
The fourth proportional to 642,295.17, 886,461.71 and 370,309.79 is: 511,081.92
Step by Step Solution
- Step 1: Write the proportion equation
642,295.17 : 886,461.71 = 370,309.79 : x - Step 2: Convert to fraction form
642,295.17/886,461.71 = 370,309.79/x - Step 3: Cross multiply
642,295.17x = 886,461.71 × 370,309.79 - Step 4: Simplify right side
642,295.17x = 328,265,450,037.75 - Step 5: Solve for x
x = 328,265,450,037.75/642,295.17 - Step 6: Final answer
x = 511,081.92
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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.