Finding the Fourth Proportional to 343,445.48, 473,909.62 and 190,481.84
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Solution
The fourth proportional to 343,445.48, 473,909.62 and 190,481.84 is: 262,839.90
Step by Step Solution
- Step 1: Write the proportion equation
343,445.48 : 473,909.62 = 190,481.84 : x - Step 2: Convert to fraction form
343,445.48/473,909.62 = 190,481.84/x - Step 3: Cross multiply
343,445.48x = 473,909.62 × 190,481.84 - Step 4: Simplify right side
343,445.48x = 90,271,176,411.30 - Step 5: Solve for x
x = 90,271,176,411.30/343,445.48 - Step 6: Final answer
x = 262,839.90
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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.