Finding the Fourth Proportional to 191,599.55, 264,412.05 and 106,718.03
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Solution
The fourth proportional to 191,599.55, 264,412.05 and 106,718.03 is: 147,273.48
Step by Step Solution
- Step 1: Write the proportion equation
191,599.55 : 264,412.05 = 106,718.03 : x - Step 2: Convert to fraction form
191,599.55/264,412.05 = 106,718.03/x - Step 3: Cross multiply
191,599.55x = 264,412.05 × 106,718.03 - Step 4: Simplify right side
191,599.55x = 28,217,533,084.26 - Step 5: Solve for x
x = 28,217,533,084.26/191,599.55 - Step 6: Final answer
x = 147,273.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.