Finding the Fourth Proportional to 153,844.60, 212,295.16 and 88,435.48
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Solution
The fourth proportional to 153,844.60, 212,295.16 and 88,435.48 is: 122,034.99
Step by Step Solution
- Step 1: Write the proportion equation
153,844.60 : 212,295.16 = 88,435.48 : x - Step 2: Convert to fraction form
153,844.60/212,295.16 = 88,435.48/x - Step 3: Cross multiply
153,844.60x = 212,295.16 × 88,435.48 - Step 4: Simplify right side
153,844.60x = 18,774,424,376.28 - Step 5: Solve for x
x = 18,774,424,376.28/153,844.60 - Step 6: Final answer
x = 122,034.99
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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.