Finding the Fourth Proportional to 249,146.92, 343,832.26 and 141,726.92
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Solution
The fourth proportional to 249,146.92, 343,832.26 and 141,726.92 is: 195,588.56
Step by Step Solution
- Step 1: Write the proportion equation
249,146.92 : 343,832.26 = 141,726.92 : x - Step 2: Convert to fraction form
249,146.92/343,832.26 = 141,726.92/x - Step 3: Cross multiply
249,146.92x = 343,832.26 × 141,726.92 - Step 4: Simplify right side
249,146.92x = 48,730,287,206.44 - Step 5: Solve for x
x = 48,730,287,206.44/249,146.92 - Step 6: Final answer
x = 195,588.56
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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.