Finding the Fourth Proportional to 145,334.68, 217,908.30 and 69,392.14
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Solution
The fourth proportional to 145,334.68, 217,908.30 and 69,392.14 is: 104,043.47
Step by Step Solution
- Step 1: Write the proportion equation
145,334.68 : 217,908.30 = 69,392.14 : x - Step 2: Convert to fraction form
145,334.68/217,908.30 = 69,392.14/x - Step 3: Cross multiply
145,334.68x = 217,908.30 × 69,392.14 - Step 4: Simplify right side
145,334.68x = 15,121,124,006.78 - Step 5: Solve for x
x = 15,121,124,006.78/145,334.68 - Step 6: Final answer
x = 104,043.47
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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.