Finding the Fourth Proportional to 249,309.84, 344,047.56 and 136,132.68
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Solution
The fourth proportional to 249,309.84, 344,047.56 and 136,132.68 is: 187,863.09
Step by Step Solution
- Step 1: Write the proportion equation
249,309.84 : 344,047.56 = 136,132.68 : x - Step 2: Convert to fraction form
249,309.84/344,047.56 = 136,132.68/x - Step 3: Cross multiply
249,309.84x = 344,047.56 × 136,132.68 - Step 4: Simplify right side
249,309.84x = 46,836,116,390.26 - Step 5: Solve for x
x = 46,836,116,390.26/249,309.84 - Step 6: Final answer
x = 187,863.09
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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.