Finding the Fourth Proportional to 343,188.50, 473,439.94 and 215,934.26
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Solution
The fourth proportional to 343,188.50, 473,439.94 and 215,934.26 is: 297,888.48
Step by Step Solution
- Step 1: Write the proportion equation
343,188.50 : 473,439.94 = 215,934.26 : x - Step 2: Convert to fraction form
343,188.50/473,439.94 = 215,934.26/x - Step 3: Cross multiply
343,188.50x = 473,439.94 × 215,934.26 - Step 4: Simplify right side
343,188.50x = 102,231,900,191.31 - Step 5: Solve for x
x = 102,231,900,191.31/343,188.50 - Step 6: Final answer
x = 297,888.48
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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.