Finding the Fourth Proportional to 288,122.04, 397,636.02 and 160,809.48
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Solution
The fourth proportional to 288,122.04, 397,636.02 and 160,809.48 is: 221,932.49
Step by Step Solution
- Step 1: Write the proportion equation
288,122.04 : 397,636.02 = 160,809.48 : x - Step 2: Convert to fraction form
288,122.04/397,636.02 = 160,809.48/x - Step 3: Cross multiply
288,122.04x = 397,636.02 × 160,809.48 - Step 4: Simplify right side
288,122.04x = 63,943,641,605.47 - Step 5: Solve for x
x = 63,943,641,605.47/288,122.04 - Step 6: Final answer
x = 221,932.49
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1.5x scale
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.