Finding the Fourth Proportional to 472,517.76, 709,035.84 and 191,959.68
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Solution
The fourth proportional to 472,517.76, 709,035.84 and 191,959.68 is: 288,044.82
Step by Step Solution
- Step 1: Write the proportion equation
472,517.76 : 709,035.84 = 191,959.68 : x - Step 2: Convert to fraction form
472,517.76/709,035.84 = 191,959.68/x - Step 3: Cross multiply
472,517.76x = 709,035.84 × 191,959.68 - Step 4: Simplify right side
472,517.76x = 136,106,292,954.93 - Step 5: Solve for x
x = 136,106,292,954.93/472,517.76 - Step 6: Final answer
x = 288,044.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.