Finding the Fourth Proportional to 442,553.12, 663,832.08 and 110,129.12
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Solution
The fourth proportional to 442,553.12, 663,832.08 and 110,129.12 is: 165,194.28
Step by Step Solution
- Step 1: Write the proportion equation
442,553.12 : 663,832.08 = 110,129.12 : x - Step 2: Convert to fraction form
442,553.12/663,832.08 = 110,129.12/x - Step 3: Cross multiply
442,553.12x = 663,832.08 × 110,129.12 - Step 4: Simplify right side
442,553.12x = 73,107,242,798.17 - Step 5: Solve for x
x = 73,107,242,798.17/442,553.12 - Step 6: Final answer
x = 165,194.28
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1.5x scale
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.