Finding the Fourth Proportional to 261,401.24, 390,331.26 and 207,488.36
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Solution
The fourth proportional to 261,401.24, 390,331.26 and 207,488.36 is: 309,827.12
Step by Step Solution
- Step 1: Write the proportion equation
261,401.24 : 390,331.26 = 207,488.36 : x - Step 2: Convert to fraction form
261,401.24/390,331.26 = 207,488.36/x - Step 3: Cross multiply
261,401.24x = 390,331.26 × 207,488.36 - Step 4: Simplify right side
261,401.24x = 80,989,192,994.13 - Step 5: Solve for x
x = 80,989,192,994.13/261,401.24 - Step 6: Final answer
x = 309,827.12
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.