Finding the Fourth Proportional to 197,056.60, 294,505.18 and 143,860.62
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Solution
The fourth proportional to 197,056.60, 294,505.18 and 143,860.62 is: 215,002.68
Step by Step Solution
- Step 1: Write the proportion equation
197,056.60 : 294,505.18 = 143,860.62 : x - Step 2: Convert to fraction form
197,056.60/294,505.18 = 143,860.62/x - Step 3: Cross multiply
197,056.60x = 294,505.18 × 143,860.62 - Step 4: Simplify right side
197,056.60x = 42,367,697,788.01 - Step 5: Solve for x
x = 42,367,697,788.01/197,056.60 - Step 6: Final answer
x = 215,002.68
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.