Finding the Fourth Proportional to 517,596.73, 714,209.99 and 288,122.15
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Solution
The fourth proportional to 517,596.73, 714,209.99 and 288,122.15 is: 397,567.66
Step by Step Solution
- Step 1: Write the proportion equation
517,596.73 : 714,209.99 = 288,122.15 : x - Step 2: Convert to fraction form
517,596.73/714,209.99 = 288,122.15/x - Step 3: Cross multiply
517,596.73x = 714,209.99 × 288,122.15 - Step 4: Simplify right side
517,596.73x = 205,779,718,215.19 - Step 5: Solve for x
x = 205,779,718,215.19/517,596.73 - Step 6: Final answer
x = 397,567.66
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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.