Finding the Fourth Proportional to 166,306.98, 249,638.07 and 71,584.08
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Solution
The fourth proportional to 166,306.98, 249,638.07 and 71,584.08 is: 107,452.56
Step by Step Solution
- Step 1: Write the proportion equation
166,306.98 : 249,638.07 = 71,584.08 : x - Step 2: Convert to fraction form
166,306.98/249,638.07 = 71,584.08/x - Step 3: Cross multiply
166,306.98x = 249,638.07 × 71,584.08 - Step 4: Simplify right side
166,306.98x = 17,870,110,325.74 - Step 5: Solve for x
x = 17,870,110,325.74/166,306.98 - Step 6: Final answer
x = 107,452.56
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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.