Finding the Fourth Proportional to 212,248.63, 292,876.52 and 143,487.73
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Solution
The fourth proportional to 212,248.63, 292,876.52 and 143,487.73 is: 197,995.09
Step by Step Solution
- Step 1: Write the proportion equation
212,248.63 : 292,876.52 = 143,487.73 : x - Step 2: Convert to fraction form
212,248.63/292,876.52 = 143,487.73/x - Step 3: Cross multiply
212,248.63x = 292,876.52 × 143,487.73 - Step 4: Simplify right side
212,248.63x = 42,024,187,025.10 - Step 5: Solve for x
x = 42,024,187,025.10/212,248.63 - Step 6: Final answer
x = 197,995.09
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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.