Finding the Fourth Proportional to 272,350.60, 408,963.30 and 205,865.80
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Solution
The fourth proportional to 272,350.60, 408,963.30 and 205,865.80 is: 309,129.32
Step by Step Solution
- Step 1: Write the proportion equation
272,350.60 : 408,963.30 = 205,865.80 : x - Step 2: Convert to fraction form
272,350.60/408,963.30 = 205,865.80/x - Step 3: Cross multiply
272,350.60x = 408,963.30 × 205,865.80 - Step 4: Simplify right side
272,350.60x = 84,191,556,925.14 - Step 5: Solve for x
x = 84,191,556,925.14/272,350.60 - Step 6: Final answer
x = 309,129.32
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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.