Finding the Fourth Proportional to 402,599.32, 555,593.97 and 221,318.90
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Solution
The fourth proportional to 402,599.32, 555,593.97 and 221,318.90 is: 305,423.88
Step by Step Solution
- Step 1: Write the proportion equation
402,599.32 : 555,593.97 = 221,318.90 : x - Step 2: Convert to fraction form
402,599.32/555,593.97 = 221,318.90/x - Step 3: Cross multiply
402,599.32x = 555,593.97 × 221,318.90 - Step 4: Simplify right side
402,599.32x = 122,963,446,287.03 - Step 5: Solve for x
x = 122,963,446,287.03/402,599.32 - Step 6: Final answer
x = 305,423.88
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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.