Finding the Fourth Proportional to 145,724.79, 218,246.97 and 112,178.67
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Solution
The fourth proportional to 145,724.79, 218,246.97 and 112,178.67 is: 168,006.11
Step by Step Solution
- Step 1: Write the proportion equation
145,724.79 : 218,246.97 = 112,178.67 : x - Step 2: Convert to fraction form
145,724.79/218,246.97 = 112,178.67/x - Step 3: Cross multiply
145,724.79x = 218,246.97 × 112,178.67 - Step 4: Simplify right side
145,724.79x = 24,482,654,826.13 - Step 5: Solve for x
x = 24,482,654,826.13/145,724.79 - Step 6: Final answer
x = 168,006.11
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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.