Finding the Fourth Proportional to 418,428.24, 577,370.88 and 246,243.84
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Solution
The fourth proportional to 418,428.24, 577,370.88 and 246,243.84 is: 339,781.14
Step by Step Solution
- Step 1: Write the proportion equation
418,428.24 : 577,370.88 = 246,243.84 : x - Step 2: Convert to fraction form
418,428.24/577,370.88 = 246,243.84/x - Step 3: Cross multiply
418,428.24x = 577,370.88 × 246,243.84 - Step 4: Simplify right side
418,428.24x = 142,174,022,595.38 - Step 5: Solve for x
x = 142,174,022,595.38/418,428.24 - Step 6: Final answer
x = 339,781.14
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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.