Finding the Fourth Proportional to 331,346.03, 457,125.93 and 191,618.80
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Solution
The fourth proportional to 331,346.03, 457,125.93 and 191,618.80 is: 264,357.84
Step by Step Solution
- Step 1: Write the proportion equation
331,346.03 : 457,125.93 = 191,618.80 : x - Step 2: Convert to fraction form
331,346.03/457,125.93 = 191,618.80/x - Step 3: Cross multiply
331,346.03x = 457,125.93 × 191,618.80 - Step 4: Simplify right side
331,346.03x = 87,593,921,012.67 - Step 5: Solve for x
x = 87,593,921,012.67/331,346.03 - Step 6: Final answer
x = 264,357.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.