Finding the Fourth Proportional to 396,246.17, 546,819.71 and 226,483.94
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Solution
The fourth proportional to 396,246.17, 546,819.71 and 226,483.94 is: 312,547.83
Step by Step Solution
- Step 1: Write the proportion equation
396,246.17 : 546,819.71 = 226,483.94 : x - Step 2: Convert to fraction form
396,246.17/546,819.71 = 226,483.94/x - Step 3: Cross multiply
396,246.17x = 546,819.71 × 226,483.94 - Step 4: Simplify right side
396,246.17x = 123,845,880,823.20 - Step 5: Solve for x
x = 123,845,880,823.20/396,246.17 - Step 6: Final answer
x = 312,547.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.