Finding the Fourth Proportional to 98,152.35, 135,447.28 and 54,544.75
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Solution
The fourth proportional to 98,152.35, 135,447.28 and 54,544.75 is: 75,270.11
Step by Step Solution
- Step 1: Write the proportion equation
98,152.35 : 135,447.28 = 54,544.75 : x - Step 2: Convert to fraction form
98,152.35/135,447.28 = 54,544.75/x - Step 3: Cross multiply
98,152.35x = 135,447.28 × 54,544.75 - Step 4: Simplify right side
98,152.35x = 7,387,938,025.78 - Step 5: Solve for x
x = 7,387,938,025.78/98,152.35 - Step 6: Final answer
x = 75,270.11
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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.