Finding the Fourth Proportional to 292,285.40, 438,428.10 and 167,523.80
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Solution
The fourth proportional to 292,285.40, 438,428.10 and 167,523.80 is: 251,285.70
Step by Step Solution
- Step 1: Write the proportion equation
292,285.40 : 438,428.10 = 167,523.80 : x - Step 2: Convert to fraction form
292,285.40/438,428.10 = 167,523.80/x - Step 3: Cross multiply
292,285.40x = 438,428.10 × 167,523.80 - Step 4: Simplify right side
292,285.40x = 73,447,141,338.78 - Step 5: Solve for x
x = 73,447,141,338.78/292,285.40 - Step 6: Final answer
x = 251,285.70
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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.