Finding the Fourth Proportional to 489,516.05, 734,424.40 and 233,675.08
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Solution
The fourth proportional to 489,516.05, 734,424.40 and 233,675.08 is: 350,584.39
Step by Step Solution
- Step 1: Write the proportion equation
489,516.05 : 734,424.40 = 233,675.08 : x - Step 2: Convert to fraction form
489,516.05/734,424.40 = 233,675.08/x - Step 3: Cross multiply
489,516.05x = 734,424.40 × 233,675.08 - Step 4: Simplify right side
489,516.05x = 171,616,681,634.08 - Step 5: Solve for x
x = 171,616,681,634.08/489,516.05 - Step 6: Final answer
x = 350,584.39
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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.