Finding the Fourth Proportional to 395,248.41, 545,443.07 and 213,959.75
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Solution
The fourth proportional to 395,248.41, 545,443.07 and 213,959.75 is: 295,264.59
Step by Step Solution
- Step 1: Write the proportion equation
395,248.41 : 545,443.07 = 213,959.75 : x - Step 2: Convert to fraction form
395,248.41/545,443.07 = 213,959.75/x - Step 3: Cross multiply
395,248.41x = 545,443.07 × 213,959.75 - Step 4: Simplify right side
395,248.41x = 116,702,859,099.42 - Step 5: Solve for x
x = 116,702,859,099.42/395,248.41 - Step 6: Final answer
x = 295,264.59
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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.