Finding the Fourth Proportional to 314,948.84, 472,284.76 and 115,217.44
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Solution
The fourth proportional to 314,948.84, 472,284.76 and 115,217.44 is: 172,775.49
Step by Step Solution
- Step 1: Write the proportion equation
314,948.84 : 472,284.76 = 115,217.44 : x - Step 2: Convert to fraction form
314,948.84/472,284.76 = 115,217.44/x - Step 3: Cross multiply
314,948.84x = 472,284.76 × 115,217.44 - Step 4: Simplify right side
314,948.84x = 54,415,440,998.21 - Step 5: Solve for x
x = 54,415,440,998.21/314,948.84 - Step 6: Final answer
x = 172,775.49
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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.