Finding the Fourth Proportional to 390,754.26, 586,125.21 and 124,510.96
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Solution
The fourth proportional to 390,754.26, 586,125.21 and 124,510.96 is: 186,764.47
Step by Step Solution
- Step 1: Write the proportion equation
390,754.26 : 586,125.21 = 124,510.96 : x - Step 2: Convert to fraction form
390,754.26/586,125.21 = 124,510.96/x - Step 3: Cross multiply
390,754.26x = 586,125.21 × 124,510.96 - Step 4: Simplify right side
390,754.26x = 72,979,010,479.92 - Step 5: Solve for x
x = 72,979,010,479.92/390,754.26 - Step 6: Final answer
x = 186,764.47
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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.