Finding the Fourth Proportional to 164,686.95, 247,045.05 and 68,602.95
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Solution
The fourth proportional to 164,686.95, 247,045.05 and 68,602.95 is: 102,910.52
Step by Step Solution
- Step 1: Write the proportion equation
164,686.95 : 247,045.05 = 68,602.95 : x - Step 2: Convert to fraction form
164,686.95/247,045.05 = 68,602.95/x - Step 3: Cross multiply
164,686.95x = 247,045.05 × 68,602.95 - Step 4: Simplify right side
164,686.95x = 16,948,019,212.90 - Step 5: Solve for x
x = 16,948,019,212.90/164,686.95 - Step 6: Final answer
x = 102,910.52
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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.