Finding the Fourth Proportional to 571,955.42, 857,939.20 and 172,599.70
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Solution
The fourth proportional to 571,955.42, 857,939.20 and 172,599.70 is: 258,901.38
Step by Step Solution
- Step 1: Write the proportion equation
571,955.42 : 857,939.20 = 172,599.70 : x - Step 2: Convert to fraction form
571,955.42/857,939.20 = 172,599.70/x - Step 3: Cross multiply
571,955.42x = 857,939.20 × 172,599.70 - Step 4: Simplify right side
571,955.42x = 148,080,048,538.24 - Step 5: Solve for x
x = 148,080,048,538.24/571,955.42 - Step 6: Final answer
x = 258,901.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.