Finding the Fourth Proportional to 589,506.12, 884,431.40 and 190,138.05
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Solution
The fourth proportional to 589,506.12, 884,431.40 and 190,138.05 is: 285,262.62
Step by Step Solution
- Step 1: Write the proportion equation
589,506.12 : 884,431.40 = 190,138.05 : x - Step 2: Convert to fraction form
589,506.12/884,431.40 = 190,138.05/x - Step 3: Cross multiply
589,506.12x = 884,431.40 × 190,138.05 - Step 4: Simplify right side
589,506.12x = 168,164,060,804.08 - Step 5: Solve for x
x = 168,164,060,804.08/589,506.12 - Step 6: Final answer
x = 285,262.62
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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.