Finding the Fourth Proportional to 330,835.99, 456,657.74 and 187,691.17
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Solution
The fourth proportional to 330,835.99, 456,657.74 and 187,691.17 is: 259,072.86
Step by Step Solution
- Step 1: Write the proportion equation
330,835.99 : 456,657.74 = 187,691.17 : x - Step 2: Convert to fraction form
330,835.99/456,657.74 = 187,691.17/x - Step 3: Cross multiply
330,835.99x = 456,657.74 × 187,691.17 - Step 4: Simplify right side
330,835.99x = 85,710,625,510.16 - Step 5: Solve for x
x = 85,710,625,510.16/330,835.99 - Step 6: Final answer
x = 259,072.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.