Finding the Fourth Proportional to 268,516.52, 370,562.33 and 147,666.99
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Solution
The fourth proportional to 268,516.52, 370,562.33 and 147,666.99 is: 203,785.69
Step by Step Solution
- Step 1: Write the proportion equation
268,516.52 : 370,562.33 = 147,666.99 : x - Step 2: Convert to fraction form
268,516.52/370,562.33 = 147,666.99/x - Step 3: Cross multiply
268,516.52x = 370,562.33 × 147,666.99 - Step 4: Simplify right side
268,516.52x = 54,719,823,140.15 - Step 5: Solve for x
x = 54,719,823,140.15/268,516.52 - Step 6: Final answer
x = 203,785.69
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1.5x scale
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.