Finding the Fourth Proportional to 357,993.36, 536,654.68 and 121,170.24
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Solution
The fourth proportional to 357,993.36, 536,654.68 and 121,170.24 is: 181,641.85
Step by Step Solution
- Step 1: Write the proportion equation
357,993.36 : 536,654.68 = 121,170.24 : x - Step 2: Convert to fraction form
357,993.36/536,654.68 = 121,170.24/x - Step 3: Cross multiply
357,993.36x = 536,654.68 × 121,170.24 - Step 4: Simplify right side
357,993.36x = 65,026,576,372.72 - Step 5: Solve for x
x = 65,026,576,372.72/357,993.36 - Step 6: Final answer
x = 181,641.85
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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.