Finding the Fourth Proportional to 249,996.24, 344,981.52 and 136,797.12
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Solution
The fourth proportional to 249,996.24, 344,981.52 and 136,797.12 is: 188,772.75
Step by Step Solution
- Step 1: Write the proportion equation
249,996.24 : 344,981.52 = 136,797.12 : x - Step 2: Convert to fraction form
249,996.24/344,981.52 = 136,797.12/x - Step 3: Cross multiply
249,996.24x = 344,981.52 × 136,797.12 - Step 4: Simplify right side
249,996.24x = 47,192,478,389.22 - Step 5: Solve for x
x = 47,192,478,389.22/249,996.24 - Step 6: Final answer
x = 188,772.75
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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.