Finding the Fourth Proportional to 256,547.88, 354,135.06 and 229,642.92
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Solution
The fourth proportional to 256,547.88, 354,135.06 and 229,642.92 is: 316,995.83
Step by Step Solution
- Step 1: Write the proportion equation
256,547.88 : 354,135.06 = 229,642.92 : x - Step 2: Convert to fraction form
256,547.88/354,135.06 = 229,642.92/x - Step 3: Cross multiply
256,547.88x = 354,135.06 × 229,642.92 - Step 4: Simplify right side
256,547.88x = 81,324,609,252.78 - Step 5: Solve for x
x = 81,324,609,252.78/256,547.88 - Step 6: Final answer
x = 316,995.83
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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.