Finding the Fourth Proportional to 451,083.60, 622,561.68 and 260,059.68
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Solution
The fourth proportional to 451,083.60, 622,561.68 and 260,059.68 is: 358,920.59
Step by Step Solution
- Step 1: Write the proportion equation
451,083.60 : 622,561.68 = 260,059.68 : x - Step 2: Convert to fraction form
451,083.60/622,561.68 = 260,059.68/x - Step 3: Cross multiply
451,083.60x = 622,561.68 × 260,059.68 - Step 4: Simplify right side
451,083.60x = 161,903,191,281.06 - Step 5: Solve for x
x = 161,903,191,281.06/451,083.60 - Step 6: Final answer
x = 358,920.59
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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.