Finding the Fourth Proportional to 346,285.80, 477,872.58 and 193,315.08
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Solution
The fourth proportional to 346,285.80, 477,872.58 and 193,315.08 is: 266,773.79
Step by Step Solution
- Step 1: Write the proportion equation
346,285.80 : 477,872.58 = 193,315.08 : x - Step 2: Convert to fraction form
346,285.80/477,872.58 = 193,315.08/x - Step 3: Cross multiply
346,285.80x = 477,872.58 × 193,315.08 - Step 4: Simplify right side
346,285.80x = 92,379,976,032.51 - Step 5: Solve for x
x = 92,379,976,032.51/346,285.80 - Step 6: Final answer
x = 266,773.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.