Finding the Fourth Proportional to 153,065.71, 211,233.21 and 84,158.08
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Solution
The fourth proportional to 153,065.71, 211,233.21 and 84,158.08 is: 116,139.54
Step by Step Solution
- Step 1: Write the proportion equation
153,065.71 : 211,233.21 = 84,158.08 : x - Step 2: Convert to fraction form
153,065.71/211,233.21 = 84,158.08/x - Step 3: Cross multiply
153,065.71x = 211,233.21 × 84,158.08 - Step 4: Simplify right side
153,065.71x = 17,776,981,493.13 - Step 5: Solve for x
x = 17,776,981,493.13/153,065.71 - Step 6: Final answer
x = 116,139.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.