Finding the Fourth Proportional to 424,959.69, 637,290.99 and 125,360.76
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Solution
The fourth proportional to 424,959.69, 637,290.99 and 125,360.76 is: 187,997.32
Step by Step Solution
- Step 1: Write the proportion equation
424,959.69 : 637,290.99 = 125,360.76 : x - Step 2: Convert to fraction form
424,959.69/637,290.99 = 125,360.76/x - Step 3: Cross multiply
424,959.69x = 637,290.99 × 125,360.76 - Step 4: Simplify right side
424,959.69x = 79,891,282,847.55 - Step 5: Solve for x
x = 79,891,282,847.55/424,959.69 - Step 6: Final answer
x = 187,997.32
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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.