Finding the Fourth Proportional to 292,237.80, 438,356.70 and 167,821.80
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Solution
The fourth proportional to 292,237.80, 438,356.70 and 167,821.80 is: 251,732.70
Step by Step Solution
- Step 1: Write the proportion equation
292,237.80 : 438,356.70 = 167,821.80 : x - Step 2: Convert to fraction form
292,237.80/438,356.70 = 167,821.80/x - Step 3: Cross multiply
292,237.80x = 438,356.70 × 167,821.80 - Step 4: Simplify right side
292,237.80x = 73,565,810,436.06 - Step 5: Solve for x
x = 73,565,810,436.06/292,237.80 - Step 6: Final answer
x = 251,732.70
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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.