Finding the Fourth Proportional to 129,027.92, 193,547.02 and 40,281.44
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Solution
The fourth proportional to 129,027.92, 193,547.02 and 40,281.44 is: 60,423.76
Step by Step Solution
- Step 1: Write the proportion equation
129,027.92 : 193,547.02 = 40,281.44 : x - Step 2: Convert to fraction form
129,027.92/193,547.02 = 40,281.44/x - Step 3: Cross multiply
129,027.92x = 193,547.02 × 40,281.44 - Step 4: Simplify right side
129,027.92x = 7,796,352,673.31 - Step 5: Solve for x
x = 7,796,352,673.31/129,027.92 - Step 6: Final answer
x = 60,423.76
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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.