Finding the Fourth Proportional to 424,449.58, 636,605.16 and 124,860.08
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Solution
The fourth proportional to 424,449.58, 636,605.16 and 124,860.08 is: 187,269.76
Step by Step Solution
- Step 1: Write the proportion equation
424,449.58 : 636,605.16 = 124,860.08 : x - Step 2: Convert to fraction form
424,449.58/636,605.16 = 124,860.08/x - Step 3: Cross multiply
424,449.58x = 636,605.16 × 124,860.08 - Step 4: Simplify right side
424,449.58x = 79,486,571,206.01 - Step 5: Solve for x
x = 79,486,571,206.01/424,449.58 - Step 6: Final answer
x = 187,269.76
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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.