Finding the Fourth Proportional to 288,927.63, 433,437.56 and 89,201.07
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Solution
The fourth proportional to 288,927.63, 433,437.56 and 89,201.07 is: 133,815.84
Step by Step Solution
- Step 1: Write the proportion equation
288,927.63 : 433,437.56 = 89,201.07 : x - Step 2: Convert to fraction form
288,927.63/433,437.56 = 89,201.07/x - Step 3: Cross multiply
288,927.63x = 433,437.56 × 89,201.07 - Step 4: Simplify right side
288,927.63x = 38,663,093,684.18 - Step 5: Solve for x
x = 38,663,093,684.18/288,927.63 - Step 6: Final answer
x = 133,815.84
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1.5x scale
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.