Finding the Fourth Proportional to 264,807.81, 365,487.84 and 157,357.06
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Solution
The fourth proportional to 264,807.81, 365,487.84 and 157,357.06 is: 217,184.27
Step by Step Solution
- Step 1: Write the proportion equation
264,807.81 : 365,487.84 = 157,357.06 : x - Step 2: Convert to fraction form
264,807.81/365,487.84 = 157,357.06/x - Step 3: Cross multiply
264,807.81x = 365,487.84 × 157,357.06 - Step 4: Simplify right side
264,807.81x = 57,512,091,968.15 - Step 5: Solve for x
x = 57,512,091,968.15/264,807.81 - Step 6: Final answer
x = 217,184.27
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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.