Finding the Fourth Proportional to 219,838.99, 329,647.60 and 156,622.99
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Solution
The fourth proportional to 219,838.99, 329,647.60 and 156,622.99 is: 234,855.49
Step by Step Solution
- Step 1: Write the proportion equation
219,838.99 : 329,647.60 = 156,622.99 : x - Step 2: Convert to fraction form
219,838.99/329,647.60 = 156,622.99/x - Step 3: Cross multiply
219,838.99x = 329,647.60 × 156,622.99 - Step 4: Simplify right side
219,838.99x = 51,630,392,758.32 - Step 5: Solve for x
x = 51,630,392,758.32/219,838.99 - Step 6: Final answer
x = 234,855.49
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1.5x scale
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.