Finding the Fourth Proportional to 495,453.49, 743,177.19 and 140,467.54
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Solution
The fourth proportional to 495,453.49, 743,177.19 and 140,467.54 is: 210,700.45
Step by Step Solution
- Step 1: Write the proportion equation
495,453.49 : 743,177.19 = 140,467.54 : x - Step 2: Convert to fraction form
495,453.49/743,177.19 = 140,467.54/x - Step 3: Cross multiply
495,453.49x = 743,177.19 × 140,467.54 - Step 4: Simplify right side
495,453.49x = 104,392,271,663.41 - Step 5: Solve for x
x = 104,392,271,663.41/495,453.49 - Step 6: Final answer
x = 210,700.45
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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.