Finding the Fourth Proportional to 249,140.80, 343,821.84 and 141,726.24
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Solution
The fourth proportional to 249,140.80, 343,821.84 and 141,726.24 is: 195,586.50
Step by Step Solution
- Step 1: Write the proportion equation
249,140.80 : 343,821.84 = 141,726.24 : x - Step 2: Convert to fraction form
249,140.80/343,821.84 = 141,726.24/x - Step 3: Cross multiply
249,140.80x = 343,821.84 × 141,726.24 - Step 4: Simplify right side
249,140.80x = 48,728,576,613.08 - Step 5: Solve for x
x = 48,728,576,613.08/249,140.80 - Step 6: Final answer
x = 195,586.50
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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.