Finding the Fourth Proportional to 219,839.99, 329,649.10 and 156,623.99
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Solution
The fourth proportional to 219,839.99, 329,649.10 and 156,623.99 is: 234,856.99
Step by Step Solution
- Step 1: Write the proportion equation
219,839.99 : 329,649.10 = 156,623.99 : x - Step 2: Convert to fraction form
219,839.99/329,649.10 = 156,623.99/x - Step 3: Cross multiply
219,839.99x = 329,649.10 × 156,623.99 - Step 4: Simplify right side
219,839.99x = 51,630,957,341.91 - Step 5: Solve for x
x = 51,630,957,341.91/219,839.99 - Step 6: Final answer
x = 234,856.99
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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.