Finding the Fourth Proportional to 270,235.17, 372,917.97 and 149,373.35
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Solution
The fourth proportional to 270,235.17, 372,917.97 and 149,373.35 is: 206,131.59
Step by Step Solution
- Step 1: Write the proportion equation
270,235.17 : 372,917.97 = 149,373.35 : x - Step 2: Convert to fraction form
270,235.17/372,917.97 = 149,373.35/x - Step 3: Cross multiply
270,235.17x = 372,917.97 × 149,373.35 - Step 4: Simplify right side
270,235.17x = 55,704,006,454.10 - Step 5: Solve for x
x = 55,704,006,454.10/270,235.17 - Step 6: Final answer
x = 206,131.59
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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.