Finding the Fourth Proportional to 495,272.20, 742,908.30 and 318,125.20
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Solution
The fourth proportional to 495,272.20, 742,908.30 and 318,125.20 is: 477,187.80
Step by Step Solution
- Step 1: Write the proportion equation
495,272.20 : 742,908.30 = 318,125.20 : x - Step 2: Convert to fraction form
495,272.20/742,908.30 = 318,125.20/x - Step 3: Cross multiply
495,272.20x = 742,908.30 × 318,125.20 - Step 4: Simplify right side
495,272.20x = 236,337,851,519.16 - Step 5: Solve for x
x = 236,337,851,519.16/495,272.20 - Step 6: Final answer
x = 477,187.80
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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.