Finding the Fourth Proportional to 288,398.27, 398,012.81 and 159,347.99
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Solution
The fourth proportional to 288,398.27, 398,012.81 and 159,347.99 is: 219,913.04
Step by Step Solution
- Step 1: Write the proportion equation
288,398.27 : 398,012.81 = 159,347.99 : x - Step 2: Convert to fraction form
288,398.27/398,012.81 = 159,347.99/x - Step 3: Cross multiply
288,398.27x = 398,012.81 × 159,347.99 - Step 4: Simplify right side
288,398.27x = 63,422,541,466.04 - Step 5: Solve for x
x = 63,422,541,466.04/288,398.27 - Step 6: Final answer
x = 219,913.04
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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.