Finding the Fourth Proportional to 202,731.18, 304,146.36 and 142,876.44
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Solution
The fourth proportional to 202,731.18, 304,146.36 and 142,876.44 is: 214,349.61
Step by Step Solution
- Step 1: Write the proportion equation
202,731.18 : 304,146.36 = 142,876.44 : x - Step 2: Convert to fraction form
202,731.18/304,146.36 = 142,876.44/x - Step 3: Cross multiply
202,731.18x = 304,146.36 × 142,876.44 - Step 4: Simplify right side
202,731.18x = 43,455,349,155.76 - Step 5: Solve for x
x = 43,455,349,155.76/202,731.18 - Step 6: Final answer
x = 214,349.61
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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.