Finding the Fourth Proportional to 138,206.08, 207,302.40 and 44,709.76
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Solution
The fourth proportional to 138,206.08, 207,302.40 and 44,709.76 is: 67,062.47
Step by Step Solution
- Step 1: Write the proportion equation
138,206.08 : 207,302.40 = 44,709.76 : x - Step 2: Convert to fraction form
138,206.08/207,302.40 = 44,709.76/x - Step 3: Cross multiply
138,206.08x = 207,302.40 × 44,709.76 - Step 4: Simplify right side
138,206.08x = 9,268,440,551.42 - Step 5: Solve for x
x = 9,268,440,551.42/138,206.08 - Step 6: Final answer
x = 67,062.47
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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.