Finding the Fourth Proportional to 352,417.91, 486,337.19 and 191,272.96
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Solution
The fourth proportional to 352,417.91, 486,337.19 and 191,272.96 is: 263,956.94
Step by Step Solution
- Step 1: Write the proportion equation
352,417.91 : 486,337.19 = 191,272.96 : x - Step 2: Convert to fraction form
352,417.91/486,337.19 = 191,272.96/x - Step 3: Cross multiply
352,417.91x = 486,337.19 × 191,272.96 - Step 4: Simplify right side
352,417.91x = 93,023,153,889.38 - Step 5: Solve for x
x = 93,023,153,889.38/352,417.91 - Step 6: Final answer
x = 263,956.94
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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.