Finding the Fourth Proportional to 215,939.08, 297,983.10 and 125,288.02
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Solution
The fourth proportional to 215,939.08, 297,983.10 and 125,288.02 is: 172,890.02
Step by Step Solution
- Step 1: Write the proportion equation
215,939.08 : 297,983.10 = 125,288.02 : x - Step 2: Convert to fraction form
215,939.08/297,983.10 = 125,288.02/x - Step 3: Cross multiply
215,939.08x = 297,983.10 × 125,288.02 - Step 4: Simplify right side
215,939.08x = 37,333,712,592.46 - Step 5: Solve for x
x = 37,333,712,592.46/215,939.08 - Step 6: Final answer
x = 172,890.02
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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.