Finding the Fourth Proportional to 219,951.62, 329,927.31 and 79,710.02
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Solution
The fourth proportional to 219,951.62, 329,927.31 and 79,710.02 is: 119,564.99
Step by Step Solution
- Step 1: Write the proportion equation
219,951.62 : 329,927.31 = 79,710.02 : x - Step 2: Convert to fraction form
219,951.62/329,927.31 = 79,710.02/x - Step 3: Cross multiply
219,951.62x = 329,927.31 × 79,710.02 - Step 4: Simplify right side
219,951.62x = 26,298,512,478.65 - Step 5: Solve for x
x = 26,298,512,478.65/219,951.62 - Step 6: Final answer
x = 119,564.99
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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.