Finding the Fourth Proportional to 286,807.26, 395,803.61 and 157,751.18
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Solution
The fourth proportional to 286,807.26, 395,803.61 and 157,751.18 is: 217,701.89
Step by Step Solution
- Step 1: Write the proportion equation
286,807.26 : 395,803.61 = 157,751.18 : x - Step 2: Convert to fraction form
286,807.26/395,803.61 = 157,751.18/x - Step 3: Cross multiply
286,807.26x = 395,803.61 × 157,751.18 - Step 4: Simplify right side
286,807.26x = 62,438,483,757.99 - Step 5: Solve for x
x = 62,438,483,757.99/286,807.26 - Step 6: Final answer
x = 217,701.89
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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.