Finding the Fourth Proportional to 288,246.14, 430,476.80 and 245,672.54
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Solution
The fourth proportional to 288,246.14, 430,476.80 and 245,672.54 is: 366,895.91
Step by Step Solution
- Step 1: Write the proportion equation
288,246.14 : 430,476.80 = 245,672.54 : x - Step 2: Convert to fraction form
288,246.14/430,476.80 = 245,672.54/x - Step 3: Cross multiply
288,246.14x = 430,476.80 × 245,672.54 - Step 4: Simplify right side
288,246.14x = 105,756,327,328.87 - Step 5: Solve for x
x = 105,756,327,328.87/288,246.14 - Step 6: Final answer
x = 366,895.91
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.