Finding the Fourth Proportional to 311,064.16, 429,276.56 and 175,102.98
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Solution
The fourth proportional to 311,064.16, 429,276.56 and 175,102.98 is: 241,646.63
Step by Step Solution
- Step 1: Write the proportion equation
311,064.16 : 429,276.56 = 175,102.98 : x - Step 2: Convert to fraction form
311,064.16/429,276.56 = 175,102.98/x - Step 3: Cross multiply
311,064.16x = 429,276.56 × 175,102.98 - Step 4: Simplify right side
311,064.16x = 75,167,604,900.15 - Step 5: Solve for x
x = 75,167,604,900.15/311,064.16 - Step 6: Final answer
x = 241,646.63
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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.