Finding the Fourth Proportional to 219,563.39, 329,345.28 and 61,791.99
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Solution
The fourth proportional to 219,563.39, 329,345.28 and 61,791.99 is: 92,688.04
Step by Step Solution
- Step 1: Write the proportion equation
219,563.39 : 329,345.28 = 61,791.99 : x - Step 2: Convert to fraction form
219,563.39/329,345.28 = 61,791.99/x - Step 3: Cross multiply
219,563.39x = 329,345.28 × 61,791.99 - Step 4: Simplify right side
219,563.39x = 20,350,900,248.31 - Step 5: Solve for x
x = 20,350,900,248.31/219,563.39 - Step 6: Final answer
x = 92,688.04
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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.