Finding the Fourth Proportional to 432,937.12, 649,466.64 and 133,441.84
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Solution
The fourth proportional to 432,937.12, 649,466.64 and 133,441.84 is: 200,181.55
Step by Step Solution
- Step 1: Write the proportion equation
432,937.12 : 649,466.64 = 133,441.84 : x - Step 2: Convert to fraction form
432,937.12/649,466.64 = 133,441.84/x - Step 3: Cross multiply
432,937.12x = 649,466.64 × 133,441.84 - Step 4: Simplify right side
432,937.12x = 86,666,023,460.22 - Step 5: Solve for x
x = 86,666,023,460.22/432,937.12 - Step 6: Final answer
x = 200,181.55
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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.