Finding the Fourth Proportional to 254,221.80, 381,332.70 and 201,077.70
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Solution
The fourth proportional to 254,221.80, 381,332.70 and 201,077.70 is: 301,616.55
Step by Step Solution
- Step 1: Write the proportion equation
254,221.80 : 381,332.70 = 201,077.70 : x - Step 2: Convert to fraction form
254,221.80/381,332.70 = 201,077.70/x - Step 3: Cross multiply
254,221.80x = 381,332.70 × 201,077.70 - Step 4: Simplify right side
254,221.80x = 76,677,502,250.79 - Step 5: Solve for x
x = 76,677,502,250.79/254,221.80 - Step 6: Final answer
x = 301,616.55
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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.