Finding the Fourth Proportional to 294,986.97, 407,116.98 and 167,681.70
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Solution
The fourth proportional to 294,986.97, 407,116.98 and 167,681.70 is: 231,420.62
Step by Step Solution
- Step 1: Write the proportion equation
294,986.97 : 407,116.98 = 167,681.70 : x - Step 2: Convert to fraction form
294,986.97/407,116.98 = 167,681.70/x - Step 3: Cross multiply
294,986.97x = 407,116.98 × 167,681.70 - Step 4: Simplify right side
294,986.97x = 68,266,067,305.27 - Step 5: Solve for x
x = 68,266,067,305.27/294,986.97 - Step 6: Final answer
x = 231,420.62
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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.