Finding the Fourth Proportional to 247,931.36, 342,147.36 and 134,754.08
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Solution
The fourth proportional to 247,931.36, 342,147.36 and 134,754.08 is: 185,961.76
Step by Step Solution
- Step 1: Write the proportion equation
247,931.36 : 342,147.36 = 134,754.08 : x - Step 2: Convert to fraction form
247,931.36/342,147.36 = 134,754.08/x - Step 3: Cross multiply
247,931.36x = 342,147.36 × 134,754.08 - Step 4: Simplify right side
247,931.36x = 46,105,752,721.23 - Step 5: Solve for x
x = 46,105,752,721.23/247,931.36 - Step 6: Final answer
x = 185,961.76
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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.