Finding the Fourth Proportional to 313,640.95, 432,822.18 and 170,402.17
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Solution
The fourth proportional to 313,640.95, 432,822.18 and 170,402.17 is: 235,153.73
Step by Step Solution
- Step 1: Write the proportion equation
313,640.95 : 432,822.18 = 170,402.17 : x - Step 2: Convert to fraction form
313,640.95/432,822.18 = 170,402.17/x - Step 3: Cross multiply
313,640.95x = 432,822.18 × 170,402.17 - Step 4: Simplify right side
313,640.95x = 73,753,838,696.13 - Step 5: Solve for x
x = 73,753,838,696.13/313,640.95 - Step 6: Final answer
x = 235,153.73
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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.