Finding the Fourth Proportional to 424,780.49, 637,184.54 and 125,235.95
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Solution
The fourth proportional to 424,780.49, 637,184.54 and 125,235.95 is: 187,857.99
Step by Step Solution
- Step 1: Write the proportion equation
424,780.49 : 637,184.54 = 125,235.95 : x - Step 2: Convert to fraction form
424,780.49/637,184.54 = 125,235.95/x - Step 3: Cross multiply
424,780.49x = 637,184.54 × 125,235.95 - Step 4: Simplify right side
424,780.49x = 79,798,410,566.03 - Step 5: Solve for x
x = 79,798,410,566.03/424,780.49 - Step 6: Final answer
x = 187,857.99
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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.