Finding the Fourth Proportional to 331,418.76, 457,377.44 and 249,602.68
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Solution
The fourth proportional to 331,418.76, 457,377.44 and 249,602.68 is: 344,466.42
Step by Step Solution
- Step 1: Write the proportion equation
331,418.76 : 457,377.44 = 249,602.68 : x - Step 2: Convert to fraction form
331,418.76/457,377.44 = 249,602.68/x - Step 3: Cross multiply
331,418.76x = 457,377.44 × 249,602.68 - Step 4: Simplify right side
331,418.76x = 114,162,634,795.54 - Step 5: Solve for x
x = 114,162,634,795.54/331,418.76 - Step 6: Final answer
x = 344,466.42
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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.