Finding the Fourth Proportional to 477,029.94, 715,369.95 and 139,984.08
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Solution
The fourth proportional to 477,029.94, 715,369.95 and 139,984.08 is: 209,924.78
Step by Step Solution
- Step 1: Write the proportion equation
477,029.94 : 715,369.95 = 139,984.08 : x - Step 2: Convert to fraction form
477,029.94/715,369.95 = 139,984.08/x - Step 3: Cross multiply
477,029.94x = 715,369.95 × 139,984.08 - Step 4: Simplify right side
477,029.94x = 100,140,404,310.40 - Step 5: Solve for x
x = 100,140,404,310.40/477,029.94 - Step 6: Final answer
x = 209,924.78
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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.