Finding the Fourth Proportional to 86,303.18, 129,467.52 and 44,207.07
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Solution
The fourth proportional to 86,303.18, 129,467.52 and 44,207.07 is: 66,317.14
Step by Step Solution
- Step 1: Write the proportion equation
86,303.18 : 129,467.52 = 44,207.07 : x - Step 2: Convert to fraction form
86,303.18/129,467.52 = 44,207.07/x - Step 3: Cross multiply
86,303.18x = 129,467.52 × 44,207.07 - Step 4: Simplify right side
86,303.18x = 5,723,379,719.37 - Step 5: Solve for x
x = 5,723,379,719.37/86,303.18 - Step 6: Final answer
x = 66,317.14
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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.