Finding the Fourth Proportional to 432,832.54, 649,281.41 and 129,202.70
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Solution
The fourth proportional to 432,832.54, 649,281.41 and 129,202.70 is: 193,813.78
Step by Step Solution
- Step 1: Write the proportion equation
432,832.54 : 649,281.41 = 129,202.70 : x - Step 2: Convert to fraction form
432,832.54/649,281.41 = 129,202.70/x - Step 3: Cross multiply
432,832.54x = 649,281.41 × 129,202.70 - Step 4: Simplify right side
432,832.54x = 83,888,907,985.40 - Step 5: Solve for x
x = 83,888,907,985.40/432,832.54 - Step 6: Final answer
x = 193,813.78
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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.