Finding the Fourth Proportional to 422,384.76, 633,579.28 and 106,841.97
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Solution
The fourth proportional to 422,384.76, 633,579.28 and 106,841.97 is: 160,263.50
Step by Step Solution
- Step 1: Write the proportion equation
422,384.76 : 633,579.28 = 106,841.97 : x - Step 2: Convert to fraction form
422,384.76/633,579.28 = 106,841.97/x - Step 3: Cross multiply
422,384.76x = 633,579.28 × 106,841.97 - Step 4: Simplify right side
422,384.76x = 67,692,858,159.28 - Step 5: Solve for x
x = 67,692,858,159.28/422,384.76 - Step 6: Final answer
x = 160,263.50
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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.