Finding the Fourth Proportional to 292,477.80, 438,716.70 and 168,061.80
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Solution
The fourth proportional to 292,477.80, 438,716.70 and 168,061.80 is: 252,092.70
Step by Step Solution
- Step 1: Write the proportion equation
292,477.80 : 438,716.70 = 168,061.80 : x - Step 2: Convert to fraction form
292,477.80/438,716.70 = 168,061.80/x - Step 3: Cross multiply
292,477.80x = 438,716.70 × 168,061.80 - Step 4: Simplify right side
292,477.80x = 73,731,518,292.06 - Step 5: Solve for x
x = 73,731,518,292.06/292,477.80 - Step 6: Final answer
x = 252,092.70
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1.5x scale
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.