Finding the Fourth Proportional to 644,983.68, 967,497.12 and 224,263.20
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Solution
The fourth proportional to 644,983.68, 967,497.12 and 224,263.20 is: 336,402.31
Step by Step Solution
- Step 1: Write the proportion equation
644,983.68 : 967,497.12 = 224,263.20 : x - Step 2: Convert to fraction form
644,983.68/967,497.12 = 224,263.20/x - Step 3: Cross multiply
644,983.68x = 967,497.12 × 224,263.20 - Step 4: Simplify right side
644,983.68x = 216,974,000,121.98 - Step 5: Solve for x
x = 216,974,000,121.98/644,983.68 - Step 6: Final answer
x = 336,402.31
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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.