Finding the Fourth Proportional to 143,843.28, 215,718.24 and 67,930.08
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Solution
The fourth proportional to 143,843.28, 215,718.24 and 67,930.08 is: 101,873.07
Step by Step Solution
- Step 1: Write the proportion equation
143,843.28 : 215,718.24 = 67,930.08 : x - Step 2: Convert to fraction form
143,843.28/215,718.24 = 67,930.08/x - Step 3: Cross multiply
143,843.28x = 215,718.24 × 67,930.08 - Step 4: Simplify right side
143,843.28x = 14,653,757,274.41 - Step 5: Solve for x
x = 14,653,757,274.41/143,843.28 - Step 6: Final answer
x = 101,873.07
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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.