Finding the Fourth Proportional to 384,644.20, 577,072.95 and 160,110.40
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Solution
The fourth proportional to 384,644.20, 577,072.95 and 160,110.40 is: 240,209.99
Step by Step Solution
- Step 1: Write the proportion equation
384,644.20 : 577,072.95 = 160,110.40 : x - Step 2: Convert to fraction form
384,644.20/577,072.95 = 160,110.40/x - Step 3: Cross multiply
384,644.20x = 577,072.95 × 160,110.40 - Step 4: Simplify right side
384,644.20x = 92,395,380,853.68 - Step 5: Solve for x
x = 92,395,380,853.68/384,644.20 - Step 6: Final answer
x = 240,209.99
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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.