Finding the Fourth Proportional to 288,177.80, 402,515.80 and 288,177.80
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Solution
The fourth proportional to 288,177.80, 402,515.80 and 288,177.80 is: 402,515.80
Step by Step Solution
- Step 1: Write the proportion equation
288,177.80 : 402,515.80 = 288,177.80 : x - Step 2: Convert to fraction form
288,177.80/402,515.80 = 288,177.80/x - Step 3: Cross multiply
288,177.80x = 402,515.80 × 288,177.80 - Step 4: Simplify right side
288,177.80x = 115,996,117,709.24 - Step 5: Solve for x
x = 115,996,117,709.24/288,177.80 - Step 6: Final answer
x = 402,515.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.