Finding the Fourth Proportional to 181,349.81, 250,246.81 and 100,772.23
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Solution
The fourth proportional to 181,349.81, 250,246.81 and 100,772.23 is: 139,056.82
Step by Step Solution
- Step 1: Write the proportion equation
181,349.81 : 250,246.81 = 100,772.23 : x - Step 2: Convert to fraction form
181,349.81/250,246.81 = 100,772.23/x - Step 3: Cross multiply
181,349.81x = 250,246.81 × 100,772.23 - Step 4: Simplify right side
181,349.81x = 25,217,928,094.78 - Step 5: Solve for x
x = 25,217,928,094.78/181,349.81 - Step 6: Final answer
x = 139,056.82
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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.