Finding the Fourth Proportional to 434,311.74, 651,307.50 and 149,929.92
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Solution
The fourth proportional to 434,311.74, 651,307.50 and 149,929.92 is: 224,839.61
Step by Step Solution
- Step 1: Write the proportion equation
434,311.74 : 651,307.50 = 149,929.92 : x - Step 2: Convert to fraction form
434,311.74/651,307.50 = 149,929.92/x - Step 3: Cross multiply
434,311.74x = 651,307.50 × 149,929.92 - Step 4: Simplify right side
434,311.74x = 97,650,481,370.40 - Step 5: Solve for x
x = 97,650,481,370.40/434,311.74 - Step 6: Final answer
x = 224,839.61
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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.