Finding the Fourth Proportional to 159,332.68, 239,146.71 and 80,502.31
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Solution
The fourth proportional to 159,332.68, 239,146.71 and 80,502.31 is: 120,828.08
Step by Step Solution
- Step 1: Write the proportion equation
159,332.68 : 239,146.71 = 80,502.31 : x - Step 2: Convert to fraction form
159,332.68/239,146.71 = 80,502.31/x - Step 3: Cross multiply
159,332.68x = 239,146.71 × 80,502.31 - Step 4: Simplify right side
159,332.68x = 19,251,862,583.90 - Step 5: Solve for x
x = 19,251,862,583.90/159,332.68 - Step 6: Final answer
x = 120,828.08
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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.