Finding the Fourth Proportional to 219,349.54, 329,155.40 and 201,503.62
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Solution
The fourth proportional to 219,349.54, 329,155.40 and 201,503.62 is: 302,375.85
Step by Step Solution
- Step 1: Write the proportion equation
219,349.54 : 329,155.40 = 201,503.62 : x - Step 2: Convert to fraction form
219,349.54/329,155.40 = 201,503.62/x - Step 3: Cross multiply
219,349.54x = 329,155.40 × 201,503.62 - Step 4: Simplify right side
219,349.54x = 66,326,004,642.55 - Step 5: Solve for x
x = 66,326,004,642.55/219,349.54 - Step 6: Final answer
x = 302,375.85
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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.