Finding the Fourth Proportional to 346,112.10, 519,400.35 and 121,472.10
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Solution
The fourth proportional to 346,112.10, 519,400.35 and 121,472.10 is: 182,289.64
Step by Step Solution
- Step 1: Write the proportion equation
346,112.10 : 519,400.35 = 121,472.10 : x - Step 2: Convert to fraction form
346,112.10/519,400.35 = 121,472.10/x - Step 3: Cross multiply
346,112.10x = 519,400.35 × 121,472.10 - Step 4: Simplify right side
346,112.10x = 63,092,651,255.24 - Step 5: Solve for x
x = 63,092,651,255.24/346,112.10 - Step 6: Final answer
x = 182,289.64
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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.