Finding the Fourth Proportional to 291,921.13, 402,851.24 and 164,596.74
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Solution
The fourth proportional to 291,921.13, 402,851.24 and 164,596.74 is: 227,143.55
Step by Step Solution
- Step 1: Write the proportion equation
291,921.13 : 402,851.24 = 164,596.74 : x - Step 2: Convert to fraction form
291,921.13/402,851.24 = 164,596.74/x - Step 3: Cross multiply
291,921.13x = 402,851.24 × 164,596.74 - Step 4: Simplify right side
291,921.13x = 66,308,000,808.96 - Step 5: Solve for x
x = 66,308,000,808.96/291,921.13 - Step 6: Final answer
x = 227,143.55
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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.