Finding the Fourth Proportional to 623,988.76, 935,982.42 and 203,263.96
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Solution
The fourth proportional to 623,988.76, 935,982.42 and 203,263.96 is: 304,895.71
Step by Step Solution
- Step 1: Write the proportion equation
623,988.76 : 935,982.42 = 203,263.96 : x - Step 2: Convert to fraction form
623,988.76/935,982.42 = 203,263.96/x - Step 3: Cross multiply
623,988.76x = 935,982.42 × 203,263.96 - Step 4: Simplify right side
623,988.76x = 190,251,493,179.58 - Step 5: Solve for x
x = 190,251,493,179.58/623,988.76 - Step 6: Final answer
x = 304,895.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.