Finding the Fourth Proportional to 155,077.01, 232,612.81 and 84,918.05
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Solution
The fourth proportional to 155,077.01, 232,612.81 and 84,918.05 is: 127,375.59
Step by Step Solution
- Step 1: Write the proportion equation
155,077.01 : 232,612.81 = 84,918.05 : x - Step 2: Convert to fraction form
155,077.01/232,612.81 = 84,918.05/x - Step 3: Cross multiply
155,077.01x = 232,612.81 × 84,918.05 - Step 4: Simplify right side
155,077.01x = 19,753,024,642.57 - Step 5: Solve for x
x = 19,753,024,642.57/155,077.01 - Step 6: Final answer
x = 127,375.59
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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.