Finding the Fourth Proportional to 292,661.36, 403,872.72 and 158,525.36
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Solution
The fourth proportional to 292,661.36, 403,872.72 and 158,525.36 is: 218,765.02
Step by Step Solution
- Step 1: Write the proportion equation
292,661.36 : 403,872.72 = 158,525.36 : x - Step 2: Convert to fraction form
292,661.36/403,872.72 = 158,525.36/x - Step 3: Cross multiply
292,661.36x = 403,872.72 × 158,525.36 - Step 4: Simplify right side
292,661.36x = 64,024,068,332.18 - Step 5: Solve for x
x = 64,024,068,332.18/292,661.36 - Step 6: Final answer
x = 218,765.02
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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.