Finding the Fourth Proportional to 266,967.30, 368,409.92 and 146,106.15
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Solution
The fourth proportional to 266,967.30, 368,409.92 and 146,106.15 is: 201,623.78
Step by Step Solution
- Step 1: Write the proportion equation
266,967.30 : 368,409.92 = 146,106.15 : x - Step 2: Convert to fraction form
266,967.30/368,409.92 = 146,106.15/x - Step 3: Cross multiply
266,967.30x = 368,409.92 × 146,106.15 - Step 4: Simplify right side
266,967.30x = 53,826,955,033.01 - Step 5: Solve for x
x = 53,826,955,033.01/266,967.30 - Step 6: Final answer
x = 201,623.78
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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.