Finding the Fourth Proportional to 208,145.99, 287,240.96 and 112,652.75
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Solution
The fourth proportional to 208,145.99, 287,240.96 and 112,652.75 is: 155,460.52
Step by Step Solution
- Step 1: Write the proportion equation
208,145.99 : 287,240.96 = 112,652.75 : x - Step 2: Convert to fraction form
208,145.99/287,240.96 = 112,652.75/x - Step 3: Cross multiply
208,145.99x = 287,240.96 × 112,652.75 - Step 4: Simplify right side
208,145.99x = 32,358,484,056.64 - Step 5: Solve for x
x = 32,358,484,056.64/208,145.99 - Step 6: Final answer
x = 155,460.52
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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.