Finding the Fourth Proportional to 292,406.63, 403,522.36 and 158,270.63
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Solution
The fourth proportional to 292,406.63, 403,522.36 and 158,270.63 is: 218,414.12
Step by Step Solution
- Step 1: Write the proportion equation
292,406.63 : 403,522.36 = 158,270.63 : x - Step 2: Convert to fraction form
292,406.63/403,522.36 = 158,270.63/x - Step 3: Cross multiply
292,406.63x = 403,522.36 × 158,270.63 - Step 4: Simplify right side
292,406.63x = 63,865,735,723.00 - Step 5: Solve for x
x = 63,865,735,723.00/292,406.63 - Step 6: Final answer
x = 218,414.12
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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.