Finding the Fourth Proportional to 243,355.52, 335,827.08 and 135,927.08
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Solution
The fourth proportional to 243,355.52, 335,827.08 and 135,927.08 is: 187,577.39
Step by Step Solution
- Step 1: Write the proportion equation
243,355.52 : 335,827.08 = 135,927.08 : x - Step 2: Convert to fraction form
243,355.52/335,827.08 = 135,927.08/x - Step 3: Cross multiply
243,355.52x = 335,827.08 × 135,927.08 - Step 4: Simplify right side
243,355.52x = 45,647,994,369.33 - Step 5: Solve for x
x = 45,647,994,369.33/243,355.52 - Step 6: Final answer
x = 187,577.39
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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.