Finding the Fourth Proportional to 239,292.71, 358,849.68 and 79,339.31
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Solution
The fourth proportional to 239,292.71, 358,849.68 and 79,339.31 is: 118,979.32
Step by Step Solution
- Step 1: Write the proportion equation
239,292.71 : 358,849.68 = 79,339.31 : x - Step 2: Convert to fraction form
239,292.71/358,849.68 = 79,339.31/x - Step 3: Cross multiply
239,292.71x = 358,849.68 × 79,339.31 - Step 4: Simplify right side
239,292.71x = 28,470,884,210.67 - Step 5: Solve for x
x = 28,470,884,210.67/239,292.71 - Step 6: Final answer
x = 118,979.32
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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.