Finding the Fourth Proportional to 424,485.99, 636,509.84 and 124,927.65
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Solution
The fourth proportional to 424,485.99, 636,509.84 and 124,927.65 is: 187,326.98
Step by Step Solution
- Step 1: Write the proportion equation
424,485.99 : 636,509.84 = 124,927.65 : x - Step 2: Convert to fraction form
424,485.99/636,509.84 = 124,927.65/x - Step 3: Cross multiply
424,485.99x = 636,509.84 × 124,927.65 - Step 4: Simplify right side
424,485.99x = 79,517,677,888.44 - Step 5: Solve for x
x = 79,517,677,888.44/424,485.99 - Step 6: Final answer
x = 187,326.98
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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.