Finding the Fourth Proportional to 346,630.20, 519,945.30 and 97,279.80
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Solution
The fourth proportional to 346,630.20, 519,945.30 and 97,279.80 is: 145,919.70
Step by Step Solution
- Step 1: Write the proportion equation
346,630.20 : 519,945.30 = 97,279.80 : x - Step 2: Convert to fraction form
346,630.20/519,945.30 = 97,279.80/x - Step 3: Cross multiply
346,630.20x = 519,945.30 × 97,279.80 - Step 4: Simplify right side
346,630.20x = 50,580,174,794.94 - Step 5: Solve for x
x = 50,580,174,794.94/346,630.20 - Step 6: Final answer
x = 145,919.70
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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.