Finding the Fourth Proportional to 519,957.14, 717,555.57 and 293,636.66
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Solution
The fourth proportional to 519,957.14, 717,555.57 and 293,636.66 is: 405,226.90
Step by Step Solution
- Step 1: Write the proportion equation
519,957.14 : 717,555.57 = 293,636.66 : x - Step 2: Convert to fraction form
519,957.14/717,555.57 = 293,636.66/x - Step 3: Cross multiply
519,957.14x = 717,555.57 × 293,636.66 - Step 4: Simplify right side
519,957.14x = 210,700,620,939.20 - Step 5: Solve for x
x = 210,700,620,939.20/519,957.14 - Step 6: Final answer
x = 405,226.90
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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.