Finding the Fourth Proportional to 219,645.57, 329,349.95 and 118,497.84
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Solution
The fourth proportional to 219,645.57, 329,349.95 and 118,497.84 is: 177,682.88
Step by Step Solution
- Step 1: Write the proportion equation
219,645.57 : 329,349.95 = 118,497.84 : x - Step 2: Convert to fraction form
219,645.57/329,349.95 = 118,497.84/x - Step 3: Cross multiply
219,645.57x = 329,349.95 × 118,497.84 - Step 4: Simplify right side
219,645.57x = 39,027,257,679.11 - Step 5: Solve for x
x = 39,027,257,679.11/219,645.57 - Step 6: Final answer
x = 177,682.88
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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.