Finding the Fourth Proportional to 424,417.73, 636,727.77 and 124,908.08
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Solution
The fourth proportional to 424,417.73, 636,727.77 and 124,908.08 is: 187,391.89
Step by Step Solution
- Step 1: Write the proportion equation
424,417.73 : 636,727.77 = 124,908.08 : x - Step 2: Convert to fraction form
424,417.73/636,727.77 = 124,908.08/x - Step 3: Cross multiply
424,417.73x = 636,727.77 × 124,908.08 - Step 4: Simplify right side
424,417.73x = 79,532,440,049.74 - Step 5: Solve for x
x = 79,532,440,049.74/424,417.73 - Step 6: Final answer
x = 187,391.89
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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.