Finding the Fourth Proportional to 623,636.70, 935,455.05 and 202,955.10
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Solution
The fourth proportional to 623,636.70, 935,455.05 and 202,955.10 is: 304,432.65
Step by Step Solution
- Step 1: Write the proportion equation
623,636.70 : 935,455.05 = 202,955.10 : x - Step 2: Convert to fraction form
623,636.70/935,455.05 = 202,955.10/x - Step 3: Cross multiply
623,636.70x = 935,455.05 × 202,955.10 - Step 4: Simplify right side
623,636.70x = 189,855,373,218.26 - Step 5: Solve for x
x = 189,855,373,218.26/623,636.70 - Step 6: Final answer
x = 304,432.65
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Similar ratio
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1.5x scale
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.