Finding the Fourth Proportional to 156,977.62, 235,461.14 and 68,231.13
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Solution
The fourth proportional to 156,977.62, 235,461.14 and 68,231.13 is: 102,344.40
Step by Step Solution
- Step 1: Write the proportion equation
156,977.62 : 235,461.14 = 68,231.13 : x - Step 2: Convert to fraction form
156,977.62/235,461.14 = 68,231.13/x - Step 3: Cross multiply
156,977.62x = 235,461.14 × 68,231.13 - Step 4: Simplify right side
156,977.62x = 16,065,779,653.29 - Step 5: Solve for x
x = 16,065,779,653.29/156,977.62 - Step 6: Final answer
x = 102,344.40
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1.5x scale
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.