Finding the Fourth Proportional to 117,259.26, 175,888.92 and 28,512.18
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Solution
The fourth proportional to 117,259.26, 175,888.92 and 28,512.18 is: 42,768.28
Step by Step Solution
- Step 1: Write the proportion equation
117,259.26 : 175,888.92 = 28,512.18 : x - Step 2: Convert to fraction form
117,259.26/175,888.92 = 28,512.18/x - Step 3: Cross multiply
117,259.26x = 175,888.92 × 28,512.18 - Step 4: Simplify right side
117,259.26x = 5,014,976,547.05 - Step 5: Solve for x
x = 5,014,976,547.05/117,259.26 - Step 6: Final answer
x = 42,768.28
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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.