Finding the Fourth Proportional to 344,311.99, 475,141.05 and 191,346.32
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Solution
The fourth proportional to 344,311.99, 475,141.05 and 191,346.32 is: 264,052.65
Step by Step Solution
- Step 1: Write the proportion equation
344,311.99 : 475,141.05 = 191,346.32 : x - Step 2: Convert to fraction form
344,311.99/475,141.05 = 191,346.32/x - Step 3: Cross multiply
344,311.99x = 475,141.05 × 191,346.32 - Step 4: Simplify right side
344,311.99x = 90,916,492,586.29 - Step 5: Solve for x
x = 90,916,492,586.29/344,311.99 - Step 6: Final answer
x = 264,052.65
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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.