Finding the Fourth Proportional to 122,223.02, 183,338.36 and 37,983.62
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Solution
The fourth proportional to 122,223.02, 183,338.36 and 37,983.62 is: 56,976.61
Step by Step Solution
- Step 1: Write the proportion equation
122,223.02 : 183,338.36 = 37,983.62 : x - Step 2: Convert to fraction form
122,223.02/183,338.36 = 37,983.62/x - Step 3: Cross multiply
122,223.02x = 183,338.36 × 37,983.62 - Step 4: Simplify right side
122,223.02x = 6,963,853,491.05 - Step 5: Solve for x
x = 6,963,853,491.05/122,223.02 - Step 6: Final answer
x = 56,976.61
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1.5x scale
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.