Finding the Fourth Proportional to 249,207.04, 343,906.14 and 136,029.88
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Solution
The fourth proportional to 249,207.04, 343,906.14 and 136,029.88 is: 187,721.47
Step by Step Solution
- Step 1: Write the proportion equation
249,207.04 : 343,906.14 = 136,029.88 : x - Step 2: Convert to fraction form
249,207.04/343,906.14 = 136,029.88/x - Step 3: Cross multiply
249,207.04x = 343,906.14 × 136,029.88 - Step 4: Simplify right side
249,207.04x = 46,781,510,955.46 - Step 5: Solve for x
x = 46,781,510,955.46/249,207.04 - Step 6: Final answer
x = 187,721.47
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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.