Finding the Fourth Proportional to 249,423.58, 344,191.71 and 136,224.46
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Solution
The fourth proportional to 249,423.58, 344,191.71 and 136,224.46 is: 187,982.75
Step by Step Solution
- Step 1: Write the proportion equation
249,423.58 : 344,191.71 = 136,224.46 : x - Step 2: Convert to fraction form
249,423.58/344,191.71 = 136,224.46/x - Step 3: Cross multiply
249,423.58x = 344,191.71 × 136,224.46 - Step 4: Simplify right side
249,423.58x = 46,887,329,831.23 - Step 5: Solve for x
x = 46,887,329,831.23/249,423.58 - Step 6: Final answer
x = 187,982.75
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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.