Finding the Fourth Proportional to 213,347.17, 294,428.01 and 122,703.18
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Solution
The fourth proportional to 213,347.17, 294,428.01 and 122,703.18 is: 169,335.52
Step by Step Solution
- Step 1: Write the proportion equation
213,347.17 : 294,428.01 = 122,703.18 : x - Step 2: Convert to fraction form
213,347.17/294,428.01 = 122,703.18/x - Step 3: Cross multiply
213,347.17x = 294,428.01 × 122,703.18 - Step 4: Simplify right side
213,347.17x = 36,127,253,108.07 - Step 5: Solve for x
x = 36,127,253,108.07/213,347.17 - Step 6: Final answer
x = 169,335.52
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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.