Finding the Fourth Proportional to 409,967.28, 565,780.20 and 226,204.95
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Solution
The fourth proportional to 409,967.28, 565,780.20 and 226,204.95 is: 312,176.82
Step by Step Solution
- Step 1: Write the proportion equation
409,967.28 : 565,780.20 = 226,204.95 : x - Step 2: Convert to fraction form
409,967.28/565,780.20 = 226,204.95/x - Step 3: Cross multiply
409,967.28x = 565,780.20 × 226,204.95 - Step 4: Simplify right side
409,967.28x = 127,982,281,851.99 - Step 5: Solve for x
x = 127,982,281,851.99/409,967.28 - Step 6: Final answer
x = 312,176.82
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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.