Finding the Fourth Proportional to 396,444.64, 547,547.68 and 261,083.66
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Solution
The fourth proportional to 396,444.64, 547,547.68 and 261,083.66 is: 360,594.49
Step by Step Solution
- Step 1: Write the proportion equation
396,444.64 : 547,547.68 = 261,083.66 : x - Step 2: Convert to fraction form
396,444.64/547,547.68 = 261,083.66/x - Step 3: Cross multiply
396,444.64x = 547,547.68 × 261,083.66 - Step 4: Simplify right side
396,444.64x = 142,955,752,318.91 - Step 5: Solve for x
x = 142,955,752,318.91/396,444.64 - Step 6: Final answer
x = 360,594.49
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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.