Finding the Fourth Proportional to 408,112.08, 563,107.20 and 238,269.12
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Solution
The fourth proportional to 408,112.08, 563,107.20 and 238,269.12 is: 328,760.32
Step by Step Solution
- Step 1: Write the proportion equation
408,112.08 : 563,107.20 = 238,269.12 : x - Step 2: Convert to fraction form
408,112.08/563,107.20 = 238,269.12/x - Step 3: Cross multiply
408,112.08x = 563,107.20 × 238,269.12 - Step 4: Simplify right side
408,112.08x = 134,171,057,009.66 - Step 5: Solve for x
x = 134,171,057,009.66/408,112.08 - Step 6: Final answer
x = 328,760.32
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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.