Finding the Fourth Proportional to 252,934.98, 349,045.98 and 138,211.08
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Solution
The fourth proportional to 252,934.98, 349,045.98 and 138,211.08 is: 190,728.94
Step by Step Solution
- Step 1: Write the proportion equation
252,934.98 : 349,045.98 = 138,211.08 : x - Step 2: Convert to fraction form
252,934.98/349,045.98 = 138,211.08/x - Step 3: Cross multiply
252,934.98x = 349,045.98 × 138,211.08 - Step 4: Simplify right side
252,934.98x = 48,242,021,865.46 - Step 5: Solve for x
x = 48,242,021,865.46/252,934.98 - Step 6: Final answer
x = 190,728.94
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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.