Finding the Fourth Proportional to 539,138.80, 808,594.80 and 272,648.80
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Solution
The fourth proportional to 539,138.80, 808,594.80 and 272,648.80 is: 408,915.85
Step by Step Solution
- Step 1: Write the proportion equation
539,138.80 : 808,594.80 = 272,648.80 : x - Step 2: Convert to fraction form
539,138.80/808,594.80 = 272,648.80/x - Step 3: Cross multiply
539,138.80x = 808,594.80 × 272,648.80 - Step 4: Simplify right side
539,138.80x = 220,462,401,906.24 - Step 5: Solve for x
x = 220,462,401,906.24/539,138.80 - Step 6: Final answer
x = 408,915.85
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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.