Finding the Fourth Proportional to 160,367.08, 240,605.82 and 71,681.80
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Solution
The fourth proportional to 160,367.08, 240,605.82 and 71,681.80 is: 107,547.37
Step by Step Solution
- Step 1: Write the proportion equation
160,367.08 : 240,605.82 = 71,681.80 : x - Step 2: Convert to fraction form
160,367.08/240,605.82 = 71,681.80/x - Step 3: Cross multiply
160,367.08x = 240,605.82 × 71,681.80 - Step 4: Simplify right side
160,367.08x = 17,247,058,268.08 - Step 5: Solve for x
x = 17,247,058,268.08/160,367.08 - Step 6: Final answer
x = 107,547.37
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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.