Finding the Fourth Proportional to 311,765.04, 430,219.62 and 175,795.20
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Solution
The fourth proportional to 311,765.04, 430,219.62 and 175,795.20 is: 242,588.28
Step by Step Solution
- Step 1: Write the proportion equation
311,765.04 : 430,219.62 = 175,795.20 : x - Step 2: Convert to fraction form
311,765.04/430,219.62 = 175,795.20/x - Step 3: Cross multiply
311,765.04x = 430,219.62 × 175,795.20 - Step 4: Simplify right side
311,765.04x = 75,630,544,141.82 - Step 5: Solve for x
x = 75,630,544,141.82/311,765.04 - Step 6: Final answer
x = 242,588.28
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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.