Finding the Fourth Proportional to 219,881.20, 329,875.80 and 62,107.60
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Solution
The fourth proportional to 219,881.20, 329,875.80 and 62,107.60 is: 93,176.65
Step by Step Solution
- Step 1: Write the proportion equation
219,881.20 : 329,875.80 = 62,107.60 : x - Step 2: Convert to fraction form
219,881.20/329,875.80 = 62,107.60/x - Step 3: Cross multiply
219,881.20x = 329,875.80 × 62,107.60 - Step 4: Simplify right side
219,881.20x = 20,487,794,236.08 - Step 5: Solve for x
x = 20,487,794,236.08/219,881.20 - Step 6: Final answer
x = 93,176.65
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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.