Finding the Fourth Proportional to 472,176.14, 651,584.10 and 257,311.62
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Solution
The fourth proportional to 472,176.14, 651,584.10 and 257,311.62 is: 355,079.70
Step by Step Solution
- Step 1: Write the proportion equation
472,176.14 : 651,584.10 = 257,311.62 : x - Step 2: Convert to fraction form
472,176.14/651,584.10 = 257,311.62/x - Step 3: Cross multiply
472,176.14x = 651,584.10 × 257,311.62 - Step 4: Simplify right side
472,176.14x = 167,660,160,337.24 - Step 5: Solve for x
x = 167,660,160,337.24/472,176.14 - Step 6: Final answer
x = 355,079.70
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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.