Finding the Fourth Proportional to 542,182.26, 811,980.61 and 313,995.74
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Solution
The fourth proportional to 542,182.26, 811,980.61 and 313,995.74 is: 470,244.92
Step by Step Solution
- Step 1: Write the proportion equation
542,182.26 : 811,980.61 = 313,995.74 : x - Step 2: Convert to fraction form
542,182.26/811,980.61 = 313,995.74/x - Step 3: Cross multiply
542,182.26x = 811,980.61 × 313,995.74 - Step 4: Simplify right side
542,182.26x = 254,958,454,432.88 - Step 5: Solve for x
x = 254,958,454,432.88/542,182.26 - Step 6: Final answer
x = 470,244.92
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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.