Finding the Fourth Proportional to 156,313.65, 234,278.12 and 88,902.26
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Solution
The fourth proportional to 156,313.65, 234,278.12 and 88,902.26 is: 133,243.99
Step by Step Solution
- Step 1: Write the proportion equation
156,313.65 : 234,278.12 = 88,902.26 : x - Step 2: Convert to fraction form
156,313.65/234,278.12 = 88,902.26/x - Step 3: Cross multiply
156,313.65x = 234,278.12 × 88,902.26 - Step 4: Simplify right side
156,313.65x = 20,827,854,336.55 - Step 5: Solve for x
x = 20,827,854,336.55/156,313.65 - Step 6: Final answer
x = 133,243.99
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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.