Finding the Fourth Proportional to 402,228.06, 602,423.16 and 192,013.62
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Solution
The fourth proportional to 402,228.06, 602,423.16 and 192,013.62 is: 287,581.76
Step by Step Solution
- Step 1: Write the proportion equation
402,228.06 : 602,423.16 = 192,013.62 : x - Step 2: Convert to fraction form
402,228.06/602,423.16 = 192,013.62/x - Step 3: Cross multiply
402,228.06x = 602,423.16 × 192,013.62 - Step 4: Simplify right side
402,228.06x = 115,673,451,723.44 - Step 5: Solve for x
x = 115,673,451,723.44/402,228.06 - Step 6: Final answer
x = 287,581.76
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1.5x scale
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.