Finding the Fourth Proportional to 292,072.80, 403,060.50 and 157,936.80
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Solution
The fourth proportional to 292,072.80, 403,060.50 and 157,936.80 is: 217,952.80
Step by Step Solution
- Step 1: Write the proportion equation
292,072.80 : 403,060.50 = 157,936.80 : x - Step 2: Convert to fraction form
292,072.80/403,060.50 = 157,936.80/x - Step 3: Cross multiply
292,072.80x = 403,060.50 × 157,936.80 - Step 4: Simplify right side
292,072.80x = 63,658,085,576.40 - Step 5: Solve for x
x = 63,658,085,576.40/292,072.80 - Step 6: Final answer
x = 217,952.80
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1.5x scale
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.