Finding the Fourth Proportional to 292,318.15, 403,400.26 and 158,182.15
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Solution
The fourth proportional to 292,318.15, 403,400.26 and 158,182.15 is: 218,292.02
Step by Step Solution
- Step 1: Write the proportion equation
292,318.15 : 403,400.26 = 158,182.15 : x - Step 2: Convert to fraction form
292,318.15/403,400.26 = 158,182.15/x - Step 3: Cross multiply
292,318.15x = 403,400.26 × 158,182.15 - Step 4: Simplify right side
292,318.15x = 63,810,719,033.40 - Step 5: Solve for x
x = 63,810,719,033.40/292,318.15 - Step 6: Final answer
x = 218,292.02
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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.