Finding the Fourth Proportional to 257,324.07, 355,107.32 and 156,722.07
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Solution
The fourth proportional to 257,324.07, 355,107.32 and 156,722.07 is: 216,276.52
Step by Step Solution
- Step 1: Write the proportion equation
257,324.07 : 355,107.32 = 156,722.07 : x - Step 2: Convert to fraction form
257,324.07/355,107.32 = 156,722.07/x - Step 3: Cross multiply
257,324.07x = 355,107.32 × 156,722.07 - Step 4: Simplify right side
257,324.07x = 55,653,154,262.55 - Step 5: Solve for x
x = 55,653,154,262.55/257,324.07 - Step 6: Final answer
x = 216,276.52
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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.