Finding the Fourth Proportional to 249,951.47, 344,932.07 and 135,229.75
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Solution
The fourth proportional to 249,951.47, 344,932.07 and 135,229.75 is: 186,616.54
Step by Step Solution
- Step 1: Write the proportion equation
249,951.47 : 344,932.07 = 135,229.75 : x - Step 2: Convert to fraction form
249,951.47/344,932.07 = 135,229.75/x - Step 3: Cross multiply
249,951.47x = 344,932.07 × 135,229.75 - Step 4: Simplify right side
249,951.47x = 46,645,077,593.08 - Step 5: Solve for x
x = 46,645,077,593.08/249,951.47 - Step 6: Final answer
x = 186,616.54
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1.5x scale
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.