Finding the Fourth Proportional to 414,211.68, 621,447.92 and 147,966.28
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Solution
The fourth proportional to 414,211.68, 621,447.92 and 147,966.28 is: 221,996.00
Step by Step Solution
- Step 1: Write the proportion equation
414,211.68 : 621,447.92 = 147,966.28 : x - Step 2: Convert to fraction form
414,211.68/621,447.92 = 147,966.28/x - Step 3: Cross multiply
414,211.68x = 621,447.92 × 147,966.28 - Step 4: Simplify right side
414,211.68x = 91,953,336,936.14 - Step 5: Solve for x
x = 91,953,336,936.14/414,211.68 - Step 6: Final answer
x = 221,996.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.