Finding the Fourth Proportional to 305,497.76, 458,101.20 and 125,555.06
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Solution
The fourth proportional to 305,497.76, 458,101.20 and 125,555.06 is: 188,272.82
Step by Step Solution
- Step 1: Write the proportion equation
305,497.76 : 458,101.20 = 125,555.06 : x - Step 2: Convert to fraction form
305,497.76/458,101.20 = 125,555.06/x - Step 3: Cross multiply
305,497.76x = 458,101.20 × 125,555.06 - Step 4: Simplify right side
305,497.76x = 57,516,923,652.07 - Step 5: Solve for x
x = 57,516,923,652.07/305,497.76 - Step 6: Final answer
x = 188,272.82
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1.5x scale
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.