Finding the Fourth Proportional to 638,756.34, 958,096.70 and 239,363.70
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Solution
The fourth proportional to 638,756.34, 958,096.70 and 239,363.70 is: 359,031.38
Step by Step Solution
- Step 1: Write the proportion equation
638,756.34 : 958,096.70 = 239,363.70 : x - Step 2: Convert to fraction form
638,756.34/958,096.70 = 239,363.70/x - Step 3: Cross multiply
638,756.34x = 958,096.70 × 239,363.70 - Step 4: Simplify right side
638,756.34x = 229,333,571,069.79 - Step 5: Solve for x
x = 229,333,571,069.79/638,756.34 - Step 6: Final answer
x = 359,031.38
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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.