Finding the Fourth Proportional to 288,637.10, 432,955.65 and 276,827.30
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Solution
The fourth proportional to 288,637.10, 432,955.65 and 276,827.30 is: 415,240.95
Step by Step Solution
- Step 1: Write the proportion equation
288,637.10 : 432,955.65 = 276,827.30 : x - Step 2: Convert to fraction form
288,637.10/432,955.65 = 276,827.30/x - Step 3: Cross multiply
288,637.10x = 432,955.65 × 276,827.30 - Step 4: Simplify right side
288,637.10x = 119,853,943,609.25 - Step 5: Solve for x
x = 119,853,943,609.25/288,637.10 - Step 6: Final answer
x = 415,240.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.