Finding the Fourth Proportional to 303,302.10, 454,909.95 and 103,631.70
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Solution
The fourth proportional to 303,302.10, 454,909.95 and 103,631.70 is: 155,432.79
Step by Step Solution
- Step 1: Write the proportion equation
303,302.10 : 454,909.95 = 103,631.70 : x - Step 2: Convert to fraction form
303,302.10/454,909.95 = 103,631.70/x - Step 3: Cross multiply
303,302.10x = 454,909.95 × 103,631.70 - Step 4: Simplify right side
303,302.10x = 47,143,091,465.42 - Step 5: Solve for x
x = 47,143,091,465.42/303,302.10 - Step 6: Final answer
x = 155,432.79
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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.