Finding the Fourth Proportional to 384,226.80, 576,340.20 and 207,079.80
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Solution
The fourth proportional to 384,226.80, 576,340.20 and 207,079.80 is: 310,619.70
Step by Step Solution
- Step 1: Write the proportion equation
384,226.80 : 576,340.20 = 207,079.80 : x - Step 2: Convert to fraction form
384,226.80/576,340.20 = 207,079.80/x - Step 3: Cross multiply
384,226.80x = 576,340.20 × 207,079.80 - Step 4: Simplify right side
384,226.80x = 119,348,413,347.96 - Step 5: Solve for x
x = 119,348,413,347.96/384,226.80 - Step 6: Final answer
x = 310,619.70
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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.