Finding the Fourth Proportional to 302,350.32, 417,156.89 and 194,981.99
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Solution
The fourth proportional to 302,350.32, 417,156.89 and 194,981.99 is: 269,019.32
Step by Step Solution
- Step 1: Write the proportion equation
302,350.32 : 417,156.89 = 194,981.99 : x - Step 2: Convert to fraction form
302,350.32/417,156.89 = 194,981.99/x - Step 3: Cross multiply
302,350.32x = 417,156.89 × 194,981.99 - Step 4: Simplify right side
302,350.32x = 81,338,077,493.72 - Step 5: Solve for x
x = 81,338,077,493.72/302,350.32 - Step 6: Final answer
x = 269,019.32
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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.