Finding the Fourth Proportional to 623,931.20, 935,896.78 and 203,207.07
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Solution
The fourth proportional to 623,931.20, 935,896.78 and 203,207.07 is: 304,810.60
Step by Step Solution
- Step 1: Write the proportion equation
623,931.20 : 935,896.78 = 203,207.07 : x - Step 2: Convert to fraction form
623,931.20/935,896.78 = 203,207.07/x - Step 3: Cross multiply
623,931.20x = 935,896.78 × 203,207.07 - Step 4: Simplify right side
623,931.20x = 190,180,842,486.24 - Step 5: Solve for x
x = 190,180,842,486.24/623,931.20 - Step 6: Final answer
x = 304,810.60
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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.