Finding the Fourth Proportional to 405,693.36, 608,532.48 and 121,384.08
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Solution
The fourth proportional to 405,693.36, 608,532.48 and 121,384.08 is: 182,073.86
Step by Step Solution
- Step 1: Write the proportion equation
405,693.36 : 608,532.48 = 121,384.08 : x - Step 2: Convert to fraction form
405,693.36/608,532.48 = 121,384.08/x - Step 3: Cross multiply
405,693.36x = 608,532.48 × 121,384.08 - Step 4: Simplify right side
405,693.36x = 73,866,155,234.92 - Step 5: Solve for x
x = 73,866,155,234.92/405,693.36 - Step 6: Final answer
x = 182,073.86
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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.