Finding the Fourth Proportional to 291,719.99, 402,573.54 and 164,400.14
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Solution
The fourth proportional to 291,719.99, 402,573.54 and 164,400.14 is: 226,872.17
Step by Step Solution
- Step 1: Write the proportion equation
291,719.99 : 402,573.54 = 164,400.14 : x - Step 2: Convert to fraction form
291,719.99/402,573.54 = 164,400.14/x - Step 3: Cross multiply
291,719.99x = 402,573.54 × 164,400.14 - Step 4: Simplify right side
291,719.99x = 66,183,146,336.30 - Step 5: Solve for x
x = 66,183,146,336.30/291,719.99 - Step 6: Final answer
x = 226,872.17
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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.