Finding the Fourth Proportional to 211,803.08, 292,295.12 and 121,159.22
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Solution
The fourth proportional to 211,803.08, 292,295.12 and 121,159.22 is: 167,203.65
Step by Step Solution
- Step 1: Write the proportion equation
211,803.08 : 292,295.12 = 121,159.22 : x - Step 2: Convert to fraction form
211,803.08/292,295.12 = 121,159.22/x - Step 3: Cross multiply
211,803.08x = 292,295.12 × 121,159.22 - Step 4: Simplify right side
211,803.08x = 35,414,246,681.73 - Step 5: Solve for x
x = 35,414,246,681.73/211,803.08 - Step 6: Final answer
x = 167,203.65
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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.