Finding the Fourth Proportional to 110,269.13, 165,403.71 and 47,939.63
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Solution
The fourth proportional to 110,269.13, 165,403.71 and 47,939.63 is: 71,909.45
Step by Step Solution
- Step 1: Write the proportion equation
110,269.13 : 165,403.71 = 47,939.63 : x - Step 2: Convert to fraction form
110,269.13/165,403.71 = 47,939.63/x - Step 3: Cross multiply
110,269.13x = 165,403.71 × 47,939.63 - Step 4: Simplify right side
110,269.13x = 7,929,391,831.01 - Step 5: Solve for x
x = 7,929,391,831.01/110,269.13 - Step 6: Final answer
x = 71,909.45
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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.