Finding the Fourth Proportional to 494,743.80, 742,115.70 and 245,911.80
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Solution
The fourth proportional to 494,743.80, 742,115.70 and 245,911.80 is: 368,867.70
Step by Step Solution
- Step 1: Write the proportion equation
494,743.80 : 742,115.70 = 245,911.80 : x - Step 2: Convert to fraction form
494,743.80/742,115.70 = 245,911.80/x - Step 3: Cross multiply
494,743.80x = 742,115.70 × 245,911.80 - Step 4: Simplify right side
494,743.80x = 182,495,007,595.26 - Step 5: Solve for x
x = 182,495,007,595.26/494,743.80 - Step 6: Final answer
x = 368,867.70
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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.