Finding the Fourth Proportional to 476,655.93, 657,782.91 and 258,863.07
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Solution
The fourth proportional to 476,655.93, 657,782.91 and 258,863.07 is: 357,229.80
Step by Step Solution
- Step 1: Write the proportion equation
476,655.93 : 657,782.91 = 258,863.07 : x - Step 2: Convert to fraction form
476,655.93/657,782.91 = 258,863.07/x - Step 3: Cross multiply
476,655.93x = 657,782.91 × 258,863.07 - Step 4: Simplify right side
476,655.93x = 170,275,703,476.13 - Step 5: Solve for x
x = 170,275,703,476.13/476,655.93 - Step 6: Final answer
x = 357,229.80
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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.