Finding the Fourth Proportional to 497,390.60, 746,202.30 and 197,888.12
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Solution
The fourth proportional to 497,390.60, 746,202.30 and 197,888.12 is: 296,878.49
Step by Step Solution
- Step 1: Write the proportion equation
497,390.60 : 746,202.30 = 197,888.12 : x - Step 2: Convert to fraction form
497,390.60/746,202.30 = 197,888.12/x - Step 3: Cross multiply
497,390.60x = 746,202.30 × 197,888.12 - Step 4: Simplify right side
497,390.60x = 147,664,570,286.68 - Step 5: Solve for x
x = 147,664,570,286.68/497,390.60 - Step 6: Final answer
x = 296,878.49
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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.