Finding the Fourth Proportional to 153,491.96, 230,269.08 and 48,286.46
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Solution
The fourth proportional to 153,491.96, 230,269.08 and 48,286.46 is: 72,439.49
Step by Step Solution
- Step 1: Write the proportion equation
153,491.96 : 230,269.08 = 48,286.46 : x - Step 2: Convert to fraction form
153,491.96/230,269.08 = 48,286.46/x - Step 3: Cross multiply
153,491.96x = 230,269.08 × 48,286.46 - Step 4: Simplify right side
153,491.96x = 11,118,878,720.66 - Step 5: Solve for x
x = 11,118,878,720.66/153,491.96 - Step 6: Final answer
x = 72,439.49
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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.