Finding the Fourth Proportional to 367,474.79, 551,422.69 and 142,806.11
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Solution
The fourth proportional to 367,474.79, 551,422.69 and 142,806.11 is: 214,290.96
Step by Step Solution
- Step 1: Write the proportion equation
367,474.79 : 551,422.69 = 142,806.11 : x - Step 2: Convert to fraction form
367,474.79/551,422.69 = 142,806.11/x - Step 3: Cross multiply
367,474.79x = 551,422.69 × 142,806.11 - Step 4: Simplify right side
367,474.79x = 78,746,526,210.51 - Step 5: Solve for x
x = 78,746,526,210.51/367,474.79 - Step 6: Final answer
x = 214,290.96
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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.