Finding the Fourth Proportional to 134,490.92, 201,688.86 and 39,695.75
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Solution
The fourth proportional to 134,490.92, 201,688.86 and 39,695.75 is: 59,529.59
Step by Step Solution
- Step 1: Write the proportion equation
134,490.92 : 201,688.86 = 39,695.75 : x - Step 2: Convert to fraction form
134,490.92/201,688.86 = 39,695.75/x - Step 3: Cross multiply
134,490.92x = 201,688.86 × 39,695.75 - Step 4: Simplify right side
134,490.92x = 8,006,189,992.65 - Step 5: Solve for x
x = 8,006,189,992.65/134,490.92 - Step 6: Final answer
x = 59,529.59
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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.