Finding the Fourth Proportional to 412,418.96, 569,139.24 and 233,570.96
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Solution
The fourth proportional to 412,418.96, 569,139.24 and 233,570.96 is: 322,328.53
Step by Step Solution
- Step 1: Write the proportion equation
412,418.96 : 569,139.24 = 233,570.96 : x - Step 2: Convert to fraction form
412,418.96/569,139.24 = 233,570.96/x - Step 3: Cross multiply
412,418.96x = 569,139.24 × 233,570.96 - Step 4: Simplify right side
412,418.96x = 132,934,398,660.47 - Step 5: Solve for x
x = 132,934,398,660.47/412,418.96 - Step 6: Final answer
x = 322,328.53
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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.