Finding the Fourth Proportional to 442,163.64, 610,012.62 and 272,102.52
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Solution
The fourth proportional to 442,163.64, 610,012.62 and 272,102.52 is: 375,394.89
Step by Step Solution
- Step 1: Write the proportion equation
442,163.64 : 610,012.62 = 272,102.52 : x - Step 2: Convert to fraction form
442,163.64/610,012.62 = 272,102.52/x - Step 3: Cross multiply
442,163.64x = 610,012.62 × 272,102.52 - Step 4: Simplify right side
442,163.64x = 165,985,971,133.80 - Step 5: Solve for x
x = 165,985,971,133.80/442,163.64 - Step 6: Final answer
x = 375,394.89
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1.5x scale
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.