Finding the Fourth Proportional to 134,879.69, 202,319.67 and 35,031.53
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Solution
The fourth proportional to 134,879.69, 202,319.67 and 35,031.53 is: 52,547.33
Step by Step Solution
- Step 1: Write the proportion equation
134,879.69 : 202,319.67 = 35,031.53 : x - Step 2: Convert to fraction form
134,879.69/202,319.67 = 35,031.53/x - Step 3: Cross multiply
134,879.69x = 202,319.67 × 35,031.53 - Step 4: Simplify right side
134,879.69x = 7,087,567,589.20 - Step 5: Solve for x
x = 7,087,567,589.20/134,879.69 - Step 6: Final answer
x = 52,547.33
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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.