Finding the Fourth Proportional to 346,757.08, 520,206.92 and 157,126.36
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Solution
The fourth proportional to 346,757.08, 520,206.92 and 157,126.36 is: 235,721.85
Step by Step Solution
- Step 1: Write the proportion equation
346,757.08 : 520,206.92 = 157,126.36 : x - Step 2: Convert to fraction form
346,757.08/520,206.92 = 157,126.36/x - Step 3: Cross multiply
346,757.08x = 520,206.92 × 157,126.36 - Step 4: Simplify right side
346,757.08x = 81,738,219,786.41 - Step 5: Solve for x
x = 81,738,219,786.41/346,757.08 - Step 6: Final answer
x = 235,721.85
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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.