Finding the Fourth Proportional to 197,705.12, 272,834.34 and 107,061.08
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Solution
The fourth proportional to 197,705.12, 272,834.34 and 107,061.08 is: 147,744.98
Step by Step Solution
- Step 1: Write the proportion equation
197,705.12 : 272,834.34 = 107,061.08 : x - Step 2: Convert to fraction form
197,705.12/272,834.34 = 107,061.08/x - Step 3: Cross multiply
197,705.12x = 272,834.34 × 107,061.08 - Step 4: Simplify right side
197,705.12x = 29,209,937,737.32 - Step 5: Solve for x
x = 29,209,937,737.32/197,705.12 - Step 6: Final answer
x = 147,744.98
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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.