Finding the Fourth Proportional to 323,484.99, 485,314.84 and 98,839.29
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Solution
The fourth proportional to 323,484.99, 485,314.84 and 98,839.29 is: 148,285.62
Step by Step Solution
- Step 1: Write the proportion equation
323,484.99 : 485,314.84 = 98,839.29 : x - Step 2: Convert to fraction form
323,484.99/485,314.84 = 98,839.29/x - Step 3: Cross multiply
323,484.99x = 485,314.84 × 98,839.29 - Step 4: Simplify right side
323,484.99x = 47,968,173,425.65 - Step 5: Solve for x
x = 47,968,173,425.65/323,484.99 - Step 6: Final answer
x = 148,285.62
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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.