Finding the Fourth Proportional to 432,878.67, 649,389.02 and 133,352.55
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Solution
The fourth proportional to 432,878.67, 649,389.02 and 133,352.55 is: 200,050.70
Step by Step Solution
- Step 1: Write the proportion equation
432,878.67 : 649,389.02 = 133,352.55 : x - Step 2: Convert to fraction form
432,878.67/649,389.02 = 133,352.55/x - Step 3: Cross multiply
432,878.67x = 649,389.02 × 133,352.55 - Step 4: Simplify right side
432,878.67x = 86,597,681,092.24 - Step 5: Solve for x
x = 86,597,681,092.24/432,878.67 - Step 6: Final answer
x = 200,050.70
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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.