Finding the Fourth Proportional to 415,694.70, 623,265.17 and 149,420.62
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Solution
The fourth proportional to 415,694.70, 623,265.17 and 149,420.62 is: 224,031.40
Step by Step Solution
- Step 1: Write the proportion equation
415,694.70 : 623,265.17 = 149,420.62 : x - Step 2: Convert to fraction form
415,694.70/623,265.17 = 149,420.62/x - Step 3: Cross multiply
415,694.70x = 623,265.17 × 149,420.62 - Step 4: Simplify right side
415,694.70x = 93,128,666,941.19 - Step 5: Solve for x
x = 93,128,666,941.19/415,694.70 - Step 6: Final answer
x = 224,031.40
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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.