Finding the Fourth Proportional to 654,709.08, 903,489.63 and 368,229.09
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Solution
The fourth proportional to 654,709.08, 903,489.63 and 368,229.09 is: 508,151.14
Step by Step Solution
- Step 1: Write the proportion equation
654,709.08 : 903,489.63 = 368,229.09 : x - Step 2: Convert to fraction form
654,709.08/903,489.63 = 368,229.09/x - Step 3: Cross multiply
654,709.08x = 903,489.63 × 368,229.09 - Step 4: Simplify right side
654,709.08x = 332,691,164,279.34 - Step 5: Solve for x
x = 332,691,164,279.34/654,709.08 - Step 6: Final answer
x = 508,151.14
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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.