Finding the Fourth Proportional to 294,743.08, 406,745.38 and 160,607.08
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Solution
The fourth proportional to 294,743.08, 406,745.38 and 160,607.08 is: 221,637.73
Step by Step Solution
- Step 1: Write the proportion equation
294,743.08 : 406,745.38 = 160,607.08 : x - Step 2: Convert to fraction form
294,743.08/406,745.38 = 160,607.08/x - Step 3: Cross multiply
294,743.08x = 406,745.38 × 160,607.08 - Step 4: Simplify right side
294,743.08x = 65,326,187,785.29 - Step 5: Solve for x
x = 65,326,187,785.29/294,743.08 - Step 6: Final answer
x = 221,637.73
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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.