Finding the Fourth Proportional to 909,306, 1,364,013.68 and 278,225.28
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Solution
The fourth proportional to 909,306, 1,364,013.68 and 278,225.28 is: 417,354.65
Step by Step Solution
- Step 1: Write the proportion equation
909,306 : 1,364,013.68 = 278,225.28 : x - Step 2: Convert to fraction form
909,306/1,364,013.68 = 278,225.28/x - Step 3: Cross multiply
909,306x = 1,364,013.68 × 278,225.28 - Step 4: Simplify right side
909,306x = 379,503,086,650.70 - Step 5: Solve for x
x = 379,503,086,650.70/909,306 - Step 6: Final answer
x = 417,354.65
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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.