Finding the Fourth Proportional to 94,387.28, 130,252.05 and 51,364.94
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Solution
The fourth proportional to 94,387.28, 130,252.05 and 51,364.94 is: 70,882.31
Step by Step Solution
- Step 1: Write the proportion equation
94,387.28 : 130,252.05 = 51,364.94 : x - Step 2: Convert to fraction form
94,387.28/130,252.05 = 51,364.94/x - Step 3: Cross multiply
94,387.28x = 130,252.05 × 51,364.94 - Step 4: Simplify right side
94,387.28x = 6,690,388,081.87 - Step 5: Solve for x
x = 6,690,388,081.87/94,387.28 - Step 6: Final answer
x = 70,882.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.