Finding the Fourth Proportional to 286,181.24, 429,280.97 and 143,948.84
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Solution
The fourth proportional to 286,181.24, 429,280.97 and 143,948.84 is: 215,927.84
Step by Step Solution
- Step 1: Write the proportion equation
286,181.24 : 429,280.97 = 143,948.84 : x - Step 2: Convert to fraction form
286,181.24/429,280.97 = 143,948.84/x - Step 3: Cross multiply
286,181.24x = 429,280.97 × 143,948.84 - Step 4: Simplify right side
286,181.24x = 61,794,494,799.43 - Step 5: Solve for x
x = 61,794,494,799.43/286,181.24 - Step 6: Final answer
x = 215,927.84
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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.