Finding the Fourth Proportional to 185,669.99, 256,224.36 and 100,787.06
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Solution
The fourth proportional to 185,669.99, 256,224.36 and 100,787.06 is: 139,086.02
Step by Step Solution
- Step 1: Write the proportion equation
185,669.99 : 256,224.36 = 100,787.06 : x - Step 2: Convert to fraction form
185,669.99/256,224.36 = 100,787.06/x - Step 3: Cross multiply
185,669.99x = 256,224.36 × 100,787.06 - Step 4: Simplify right side
185,669.99x = 25,824,099,944.78 - Step 5: Solve for x
x = 25,824,099,944.78/185,669.99 - Step 6: Final answer
x = 139,086.02
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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.