Finding the Fourth Proportional to 368,147.33, 552,084.27 and 128,199.63
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Solution
The fourth proportional to 368,147.33, 552,084.27 and 128,199.63 is: 192,251.83
Step by Step Solution
- Step 1: Write the proportion equation
368,147.33 : 552,084.27 = 128,199.63 : x - Step 2: Convert to fraction form
368,147.33/552,084.27 = 128,199.63/x - Step 3: Cross multiply
368,147.33x = 552,084.27 × 128,199.63 - Step 4: Simplify right side
368,147.33x = 70,776,998,348.04 - Step 5: Solve for x
x = 70,776,998,348.04/368,147.33 - Step 6: Final answer
x = 192,251.83
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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.