Finding the Fourth Proportional to 411,108.04, 616,530.84 and 130,559.68
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Solution
The fourth proportional to 411,108.04, 616,530.84 and 130,559.68 is: 195,797.85
Step by Step Solution
- Step 1: Write the proportion equation
411,108.04 : 616,530.84 = 130,559.68 : x - Step 2: Convert to fraction form
411,108.04/616,530.84 = 130,559.68/x - Step 3: Cross multiply
411,108.04x = 616,530.84 × 130,559.68 - Step 4: Simplify right side
411,108.04x = 80,494,069,180.53 - Step 5: Solve for x
x = 80,494,069,180.53/411,108.04 - Step 6: Final answer
x = 195,797.85
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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.