Finding the Fourth Proportional to 342,949.18, 473,394.18 and 279,176.26
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Solution
The fourth proportional to 342,949.18, 473,394.18 and 279,176.26 is: 385,364.43
Step by Step Solution
- Step 1: Write the proportion equation
342,949.18 : 473,394.18 = 279,176.26 : x - Step 2: Convert to fraction form
342,949.18/473,394.18 = 279,176.26/x - Step 3: Cross multiply
342,949.18x = 473,394.18 × 279,176.26 - Step 4: Simplify right side
342,949.18x = 132,160,416,678.17 - Step 5: Solve for x
x = 132,160,416,678.17/342,949.18 - Step 6: Final answer
x = 385,364.43
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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.