Finding the Fourth Proportional to 251,107.47, 346,547.70 and 143,711.19
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Solution
The fourth proportional to 251,107.47, 346,547.70 and 143,711.19 is: 198,332.54
Step by Step Solution
- Step 1: Write the proportion equation
251,107.47 : 346,547.70 = 143,711.19 : x - Step 2: Convert to fraction form
251,107.47/346,547.70 = 143,711.19/x - Step 3: Cross multiply
251,107.47x = 346,547.70 × 143,711.19 - Step 4: Simplify right side
251,107.47x = 49,802,782,358.76 - Step 5: Solve for x
x = 49,802,782,358.76/251,107.47 - Step 6: Final answer
x = 198,332.54
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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.