Finding the Fourth Proportional to 446,461.20, 669,919.68 and 296,803.44
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Solution
The fourth proportional to 446,461.20, 669,919.68 and 296,803.44 is: 445,356.65
Step by Step Solution
- Step 1: Write the proportion equation
446,461.20 : 669,919.68 = 296,803.44 : x - Step 2: Convert to fraction form
446,461.20/669,919.68 = 296,803.44/x - Step 3: Cross multiply
446,461.20x = 669,919.68 × 296,803.44 - Step 4: Simplify right side
446,461.20x = 198,834,465,547.70 - Step 5: Solve for x
x = 198,834,465,547.70/446,461.20 - Step 6: Final answer
x = 445,356.65
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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.