Finding the Fourth Proportional to 325,115.12, 487,623.47 and 88,476.26
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Solution
The fourth proportional to 325,115.12, 487,623.47 and 88,476.26 is: 132,700.99
Step by Step Solution
- Step 1: Write the proportion equation
325,115.12 : 487,623.47 = 88,476.26 : x - Step 2: Convert to fraction form
325,115.12/487,623.47 = 88,476.26/x - Step 3: Cross multiply
325,115.12x = 487,623.47 × 88,476.26 - Step 4: Simplify right side
325,115.12x = 43,143,098,033.32 - Step 5: Solve for x
x = 43,143,098,033.32/325,115.12 - Step 6: Final answer
x = 132,700.99
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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.