Finding the Fourth Proportional to 540,828.78, 811,181.16 and 141,508.14
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Solution
The fourth proportional to 540,828.78, 811,181.16 and 141,508.14 is: 212,245.99
Step by Step Solution
- Step 1: Write the proportion equation
540,828.78 : 811,181.16 = 141,508.14 : x - Step 2: Convert to fraction form
540,828.78/811,181.16 = 141,508.14/x - Step 3: Cross multiply
540,828.78x = 811,181.16 × 141,508.14 - Step 4: Simplify right side
540,828.78x = 114,788,737,154.64 - Step 5: Solve for x
x = 114,788,737,154.64/540,828.78 - Step 6: Final answer
x = 212,245.99
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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.