Finding the Fourth Proportional to 350,921.81, 526,382.58 and 137,790.00
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Solution
The fourth proportional to 350,921.81, 526,382.58 and 137,790.00 is: 206,684.95
Step by Step Solution
- Step 1: Write the proportion equation
350,921.81 : 526,382.58 = 137,790.00 : x - Step 2: Convert to fraction form
350,921.81/526,382.58 = 137,790.00/x - Step 3: Cross multiply
350,921.81x = 526,382.58 × 137,790.00 - Step 4: Simplify right side
350,921.81x = 72,530,254,312.08 - Step 5: Solve for x
x = 72,530,254,312.08/350,921.81 - Step 6: Final answer
x = 206,684.95
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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.