Finding the Fourth Proportional to 997,621.20, 1,496,431.82 and 239,462.68
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Solution
The fourth proportional to 997,621.20, 1,496,431.82 and 239,462.68 is: 359,194.02
Step by Step Solution
- Step 1: Write the proportion equation
997,621.20 : 1,496,431.82 = 239,462.68 : x - Step 2: Convert to fraction form
997,621.20/1,496,431.82 = 239,462.68/x - Step 3: Cross multiply
997,621.20x = 1,496,431.82 × 239,462.68 - Step 4: Simplify right side
997,621.20x = 358,339,574,054.48 - Step 5: Solve for x
x = 358,339,574,054.48/997,621.20 - Step 6: Final answer
x = 359,194.02
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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.