Finding the Fourth Proportional to 424,338.62, 636,488.73 and 124,828.97
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Solution
The fourth proportional to 424,338.62, 636,488.73 and 124,828.97 is: 187,237.80
Step by Step Solution
- Step 1: Write the proportion equation
424,338.62 : 636,488.73 = 124,828.97 : x - Step 2: Convert to fraction form
424,338.62/636,488.73 = 124,828.97/x - Step 3: Cross multiply
424,338.62x = 636,488.73 × 124,828.97 - Step 4: Simplify right side
424,338.62x = 79,452,229,400.06 - Step 5: Solve for x
x = 79,452,229,400.06/424,338.62 - Step 6: Final answer
x = 187,237.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.