Finding the Fourth Proportional to 288,032.70, 403,660.50 and 288,032.70
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Solution
The fourth proportional to 288,032.70, 403,660.50 and 288,032.70 is: 403,660.50
Step by Step Solution
- Step 1: Write the proportion equation
288,032.70 : 403,660.50 = 288,032.70 : x - Step 2: Convert to fraction form
288,032.70/403,660.50 = 288,032.70/x - Step 3: Cross multiply
288,032.70x = 403,660.50 × 288,032.70 - Step 4: Simplify right side
288,032.70x = 116,267,423,698.35 - Step 5: Solve for x
x = 116,267,423,698.35/288,032.70 - Step 6: Final answer
x = 403,660.50
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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.