Finding the Fourth Proportional to 343,517.10, 474,056.44 and 190,565.31
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Solution
The fourth proportional to 343,517.10, 474,056.44 and 190,565.31 is: 262,981.70
Step by Step Solution
- Step 1: Write the proportion equation
343,517.10 : 474,056.44 = 190,565.31 : x - Step 2: Convert to fraction form
343,517.10/474,056.44 = 190,565.31/x - Step 3: Cross multiply
343,517.10x = 474,056.44 × 190,565.31 - Step 4: Simplify right side
343,517.10x = 90,338,712,446.10 - Step 5: Solve for x
x = 90,338,712,446.10/343,517.10 - Step 6: Final answer
x = 262,981.70
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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.