Finding the Fourth Proportional to 273,966.08, 378,178.68 and 245,235.08
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Solution
The fourth proportional to 273,966.08, 378,178.68 and 245,235.08 is: 338,518.84
Step by Step Solution
- Step 1: Write the proportion equation
273,966.08 : 378,178.68 = 245,235.08 : x - Step 2: Convert to fraction form
273,966.08/378,178.68 = 245,235.08/x - Step 3: Cross multiply
273,966.08x = 378,178.68 × 245,235.08 - Step 4: Simplify right side
273,966.08x = 92,742,678,844.09 - Step 5: Solve for x
x = 92,742,678,844.09/273,966.08 - Step 6: Final answer
x = 338,518.84
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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.