Finding the Fourth Proportional to 329,442.24, 454,711.68 and 216,418.08
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Solution
The fourth proportional to 329,442.24, 454,711.68 and 216,418.08 is: 298,710.42
Step by Step Solution
- Step 1: Write the proportion equation
329,442.24 : 454,711.68 = 216,418.08 : x - Step 2: Convert to fraction form
329,442.24/454,711.68 = 216,418.08/x - Step 3: Cross multiply
329,442.24x = 454,711.68 × 216,418.08 - Step 4: Simplify right side
329,442.24x = 98,407,828,739.17 - Step 5: Solve for x
x = 98,407,828,739.17/329,442.24 - Step 6: Final answer
x = 298,710.42
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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.