Finding the Fourth Proportional to 412,325.70, 618,488.55 and 202,373.70
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Solution
The fourth proportional to 412,325.70, 618,488.55 and 202,373.70 is: 303,560.55
Step by Step Solution
- Step 1: Write the proportion equation
412,325.70 : 618,488.55 = 202,373.70 : x - Step 2: Convert to fraction form
412,325.70/618,488.55 = 202,373.70/x - Step 3: Cross multiply
412,325.70x = 618,488.55 × 202,373.70 - Step 4: Simplify right side
412,325.70x = 125,165,816,271.14 - Step 5: Solve for x
x = 125,165,816,271.14/412,325.70 - Step 6: Final answer
x = 303,560.55
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1.5x scale
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.