Finding the Fourth Proportional to 346,824.99, 520,279.16 and 122,138.99
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Solution
The fourth proportional to 346,824.99, 520,279.16 and 122,138.99 is: 183,223.15
Step by Step Solution
- Step 1: Write the proportion equation
346,824.99 : 520,279.16 = 122,138.99 : x - Step 2: Convert to fraction form
346,824.99/520,279.16 = 122,138.99/x - Step 3: Cross multiply
346,824.99x = 520,279.16 × 122,138.99 - Step 4: Simplify right side
346,824.99x = 63,546,367,908.36 - Step 5: Solve for x
x = 63,546,367,908.36/346,824.99 - Step 6: Final answer
x = 183,223.15
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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.