Finding the Fourth Proportional to 440,198.10, 658,547.55 and 381,683.70
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Solution
The fourth proportional to 440,198.10, 658,547.55 and 381,683.70 is: 571,008.52
Step by Step Solution
- Step 1: Write the proportion equation
440,198.10 : 658,547.55 = 381,683.70 : x - Step 2: Convert to fraction form
440,198.10/658,547.55 = 381,683.70/x - Step 3: Cross multiply
440,198.10x = 658,547.55 × 381,683.70 - Step 4: Simplify right side
440,198.10x = 251,356,865,509.94 - Step 5: Solve for x
x = 251,356,865,509.94/440,198.10 - Step 6: Final answer
x = 571,008.52
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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.