Finding the Fourth Proportional to 153,602.93, 212,062.97 and 136,560.11
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Solution
The fourth proportional to 153,602.93, 212,062.97 and 136,560.11 is: 188,533.78
Step by Step Solution
- Step 1: Write the proportion equation
153,602.93 : 212,062.97 = 136,560.11 : x - Step 2: Convert to fraction form
153,602.93/212,062.97 = 136,560.11/x - Step 3: Cross multiply
153,602.93x = 212,062.97 × 136,560.11 - Step 4: Simplify right side
153,602.93x = 28,959,341,791.21 - Step 5: Solve for x
x = 28,959,341,791.21/153,602.93 - Step 6: Final answer
x = 188,533.78
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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.