Finding the Fourth Proportional to 311,277.74, 429,602.43 and 175,337.46
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Solution
The fourth proportional to 311,277.74, 429,602.43 and 175,337.46 is: 241,987.75
Step by Step Solution
- Step 1: Write the proportion equation
311,277.74 : 429,602.43 = 175,337.46 : x - Step 2: Convert to fraction form
311,277.74/429,602.43 = 175,337.46/x - Step 3: Cross multiply
311,277.74x = 429,602.43 × 175,337.46 - Step 4: Simplify right side
311,277.74x = 75,325,399,543.54 - Step 5: Solve for x
x = 75,325,399,543.54/311,277.74 - Step 6: Final answer
x = 241,987.75
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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.