Finding the Fourth Proportional to 80,490.84, 120,740.70 and 24,329.53
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Solution
The fourth proportional to 80,490.84, 120,740.70 and 24,329.53 is: 36,495.64
Step by Step Solution
- Step 1: Write the proportion equation
80,490.84 : 120,740.70 = 24,329.53 : x - Step 2: Convert to fraction form
80,490.84/120,740.70 = 24,329.53/x - Step 3: Cross multiply
80,490.84x = 120,740.70 × 24,329.53 - Step 4: Simplify right side
80,490.84x = 2,937,564,482.87 - Step 5: Solve for x
x = 2,937,564,482.87/80,490.84 - Step 6: Final answer
x = 36,495.64
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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.