Finding the Fourth Proportional to 315,251.80, 472,877.70 and 149,363.80
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Solution
The fourth proportional to 315,251.80, 472,877.70 and 149,363.80 is: 224,045.70
Step by Step Solution
- Step 1: Write the proportion equation
315,251.80 : 472,877.70 = 149,363.80 : x - Step 2: Convert to fraction form
315,251.80/472,877.70 = 149,363.80/x - Step 3: Cross multiply
315,251.80x = 472,877.70 × 149,363.80 - Step 4: Simplify right side
315,251.80x = 70,630,810,207.26 - Step 5: Solve for x
x = 70,630,810,207.26/315,251.80 - Step 6: Final answer
x = 224,045.70
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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.