Finding the Fourth Proportional to 395,395.02, 545,647.76 and 214,106.95
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Solution
The fourth proportional to 395,395.02, 545,647.76 and 214,106.95 is: 295,469.02
Step by Step Solution
- Step 1: Write the proportion equation
395,395.02 : 545,647.76 = 214,106.95 : x - Step 2: Convert to fraction form
395,395.02/545,647.76 = 214,106.95/x - Step 3: Cross multiply
395,395.02x = 545,647.76 × 214,106.95 - Step 4: Simplify right side
395,395.02x = 116,826,977,667.93 - Step 5: Solve for x
x = 116,826,977,667.93/395,395.02 - Step 6: Final answer
x = 295,469.02
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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.