Finding the Fourth Proportional to 156,979.08, 235,466.67 and 38,651.46
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Solution
The fourth proportional to 156,979.08, 235,466.67 and 38,651.46 is: 57,976.71
Step by Step Solution
- Step 1: Write the proportion equation
156,979.08 : 235,466.67 = 38,651.46 : x - Step 2: Convert to fraction form
156,979.08/235,466.67 = 38,651.46/x - Step 3: Cross multiply
156,979.08x = 235,466.67 × 38,651.46 - Step 4: Simplify right side
156,979.08x = 9,101,130,576.84 - Step 5: Solve for x
x = 9,101,130,576.84/156,979.08 - Step 6: Final answer
x = 57,976.71
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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.