Finding the Fourth Proportional to 235,406.24, 353,177.04 and 85,644.08
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Solution
The fourth proportional to 235,406.24, 353,177.04 and 85,644.08 is: 128,490.74
Step by Step Solution
- Step 1: Write the proportion equation
235,406.24 : 353,177.04 = 85,644.08 : x - Step 2: Convert to fraction form
235,406.24/353,177.04 = 85,644.08/x - Step 3: Cross multiply
235,406.24x = 353,177.04 × 85,644.08 - Step 4: Simplify right side
235,406.24x = 30,247,522,667.92 - Step 5: Solve for x
x = 30,247,522,667.92/235,406.24 - Step 6: Final answer
x = 128,490.74
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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.