Finding the Fourth Proportional to 219,327.08, 328,989.54 and 53,115.08
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Solution
The fourth proportional to 219,327.08, 328,989.54 and 53,115.08 is: 79,672.36
Step by Step Solution
- Step 1: Write the proportion equation
219,327.08 : 328,989.54 = 53,115.08 : x - Step 2: Convert to fraction form
219,327.08/328,989.54 = 53,115.08/x - Step 3: Cross multiply
219,327.08x = 328,989.54 × 53,115.08 - Step 4: Simplify right side
219,327.08x = 17,474,305,736.26 - Step 5: Solve for x
x = 17,474,305,736.26/219,327.08 - Step 6: Final answer
x = 79,672.36
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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.