Finding the Fourth Proportional to 86,400.01, 119,207.17 and 56,229.74
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Solution
The fourth proportional to 86,400.01, 119,207.17 and 56,229.74 is: 77,580.87
Step by Step Solution
- Step 1: Write the proportion equation
86,400.01 : 119,207.17 = 56,229.74 : x - Step 2: Convert to fraction form
86,400.01/119,207.17 = 56,229.74/x - Step 3: Cross multiply
86,400.01x = 119,207.17 × 56,229.74 - Step 4: Simplify right side
86,400.01x = 6,702,988,175.24 - Step 5: Solve for x
x = 6,702,988,175.24/86,400.01 - Step 6: Final answer
x = 77,580.87
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.