Finding the Fourth Proportional to 225,814.13, 338,721.35 and 57,347.09
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Solution
The fourth proportional to 225,814.13, 338,721.35 and 57,347.09 is: 86,020.67
Step by Step Solution
- Step 1: Write the proportion equation
225,814.13 : 338,721.35 = 57,347.09 : x - Step 2: Convert to fraction form
225,814.13/338,721.35 = 57,347.09/x - Step 3: Cross multiply
225,814.13x = 338,721.35 × 57,347.09 - Step 4: Simplify right side
225,814.13x = 19,424,683,033.23 - Step 5: Solve for x
x = 19,424,683,033.23/225,814.13 - Step 6: Final answer
x = 86,020.67
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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.