Finding the Fourth Proportional to 468,360.10, 646,352.56 and 287,036.99
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Solution
The fourth proportional to 468,360.10, 646,352.56 and 287,036.99 is: 396,120.62
Step by Step Solution
- Step 1: Write the proportion equation
468,360.10 : 646,352.56 = 287,036.99 : x - Step 2: Convert to fraction form
468,360.10/646,352.56 = 287,036.99/x - Step 3: Cross multiply
468,360.10x = 646,352.56 × 287,036.99 - Step 4: Simplify right side
468,360.10x = 185,527,094,669.92 - Step 5: Solve for x
x = 185,527,094,669.92/468,360.10 - Step 6: Final answer
x = 396,120.62
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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.