Finding the Fourth Proportional to 201,454.07, 278,011.86 and 110,812.37
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Solution
The fourth proportional to 201,454.07, 278,011.86 and 110,812.37 is: 152,923.95
Step by Step Solution
- Step 1: Write the proportion equation
201,454.07 : 278,011.86 = 110,812.37 : x - Step 2: Convert to fraction form
201,454.07/278,011.86 = 110,812.37/x - Step 3: Cross multiply
201,454.07x = 278,011.86 × 110,812.37 - Step 4: Simplify right side
201,454.07x = 30,807,153,094.71 - Step 5: Solve for x
x = 30,807,153,094.71/201,454.07 - Step 6: Final answer
x = 152,923.95
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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.