Finding the Fourth Proportional to 157,265.70, 235,639.35 and 130,827.30
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Solution
The fourth proportional to 157,265.70, 235,639.35 and 130,827.30 is: 196,025.32
Step by Step Solution
- Step 1: Write the proportion equation
157,265.70 : 235,639.35 = 130,827.30 : x - Step 2: Convert to fraction form
157,265.70/235,639.35 = 130,827.30/x - Step 3: Cross multiply
157,265.70x = 235,639.35 × 130,827.30 - Step 4: Simplify right side
157,265.70x = 30,828,059,934.26 - Step 5: Solve for x
x = 30,828,059,934.26/157,265.70 - Step 6: Final answer
x = 196,025.32
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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.