Finding the Fourth Proportional to 156,988.14, 235,480.16 and 38,660.52
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Solution
The fourth proportional to 156,988.14, 235,480.16 and 38,660.52 is: 57,990.28
Step by Step Solution
- Step 1: Write the proportion equation
156,988.14 : 235,480.16 = 38,660.52 : x - Step 2: Convert to fraction form
156,988.14/235,480.16 = 38,660.52/x - Step 3: Cross multiply
156,988.14x = 235,480.16 × 38,660.52 - Step 4: Simplify right side
156,988.14x = 9,103,785,435.28 - Step 5: Solve for x
x = 9,103,785,435.28/156,988.14 - Step 6: Final answer
x = 57,990.28
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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.