Finding the Fourth Proportional to 450,207.88, 621,185.70 and 268,886.92
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Solution
The fourth proportional to 450,207.88, 621,185.70 and 268,886.92 is: 371,003.52
Step by Step Solution
- Step 1: Write the proportion equation
450,207.88 : 621,185.70 = 268,886.92 : x - Step 2: Convert to fraction form
450,207.88/621,185.70 = 268,886.92/x - Step 3: Cross multiply
450,207.88x = 621,185.70 × 268,886.92 - Step 4: Simplify right side
450,207.88x = 167,028,709,621.04 - Step 5: Solve for x
x = 167,028,709,621.04/450,207.88 - Step 6: Final answer
x = 371,003.52
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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.