Finding the Fourth Proportional to 509,979.24, 765,135.26 and 243,760.50
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Solution
The fourth proportional to 509,979.24, 765,135.26 and 243,760.50 is: 365,720.29
Step by Step Solution
- Step 1: Write the proportion equation
509,979.24 : 765,135.26 = 243,760.50 : x - Step 2: Convert to fraction form
509,979.24/765,135.26 = 243,760.50/x - Step 3: Cross multiply
509,979.24x = 765,135.26 × 243,760.50 - Step 4: Simplify right side
509,979.24x = 186,509,753,545.23 - Step 5: Solve for x
x = 186,509,753,545.23/509,979.24 - Step 6: Final answer
x = 365,720.29
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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.