Finding the Fourth Proportional to 315,337.80, 473,006.70 and 149,449.80
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Solution
The fourth proportional to 315,337.80, 473,006.70 and 149,449.80 is: 224,174.70
Step by Step Solution
- Step 1: Write the proportion equation
315,337.80 : 473,006.70 = 149,449.80 : x - Step 2: Convert to fraction form
315,337.80/473,006.70 = 149,449.80/x - Step 3: Cross multiply
315,337.80x = 473,006.70 × 149,449.80 - Step 4: Simplify right side
315,337.80x = 70,690,756,713.66 - Step 5: Solve for x
x = 70,690,756,713.66/315,337.80 - Step 6: Final answer
x = 224,174.70
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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.