Finding the Fourth Proportional to 189,012.08, 283,466.28 and 70,644.08
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Solution
The fourth proportional to 189,012.08, 283,466.28 and 70,644.08 is: 105,946.74
Step by Step Solution
- Step 1: Write the proportion equation
189,012.08 : 283,466.28 = 70,644.08 : x - Step 2: Convert to fraction form
189,012.08/283,466.28 = 70,644.08/x - Step 3: Cross multiply
189,012.08x = 283,466.28 × 70,644.08 - Step 4: Simplify right side
189,012.08x = 20,025,214,561.62 - Step 5: Solve for x
x = 20,025,214,561.62/189,012.08 - Step 6: Final answer
x = 105,946.74
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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.