Finding the Fourth Proportional to 550,395.60, 759,552.21 and 305,384.91
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Solution
The fourth proportional to 550,395.60, 759,552.21 and 305,384.91 is: 421,434.66
Step by Step Solution
- Step 1: Write the proportion equation
550,395.60 : 759,552.21 = 305,384.91 : x - Step 2: Convert to fraction form
550,395.60/759,552.21 = 305,384.91/x - Step 3: Cross multiply
550,395.60x = 759,552.21 × 305,384.91 - Step 4: Simplify right side
550,395.60x = 231,955,783,291.15 - Step 5: Solve for x
x = 231,955,783,291.15/550,395.60 - Step 6: Final answer
x = 421,434.66
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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.