Finding the Fourth Proportional to 253,072.96, 349,294.08 and 210,590.08
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Solution
The fourth proportional to 253,072.96, 349,294.08 and 210,590.08 is: 290,658.74
Step by Step Solution
- Step 1: Write the proportion equation
253,072.96 : 349,294.08 = 210,590.08 : x - Step 2: Convert to fraction form
253,072.96/349,294.08 = 210,590.08/x - Step 3: Cross multiply
253,072.96x = 349,294.08 × 210,590.08 - Step 4: Simplify right side
253,072.96x = 73,557,868,250.73 - Step 5: Solve for x
x = 73,557,868,250.73/253,072.96 - Step 6: Final answer
x = 290,658.74
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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.