Finding the Fourth Proportional to 422,924.94, 634,177.50 and 134,698.98
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Solution
The fourth proportional to 422,924.94, 634,177.50 and 134,698.98 is: 201,981.61
Step by Step Solution
- Step 1: Write the proportion equation
422,924.94 : 634,177.50 = 134,698.98 : x - Step 2: Convert to fraction form
422,924.94/634,177.50 = 134,698.98/x - Step 3: Cross multiply
422,924.94x = 634,177.50 × 134,698.98 - Step 4: Simplify right side
422,924.94x = 85,423,062,388.95 - Step 5: Solve for x
x = 85,423,062,388.95/422,924.94 - Step 6: Final answer
x = 201,981.61
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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.