Finding the Fourth Proportional to 356,364.70, 491,779.36 and 193,017.14
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Solution
The fourth proportional to 356,364.70, 491,779.36 and 193,017.14 is: 266,361.53
Step by Step Solution
- Step 1: Write the proportion equation
356,364.70 : 491,779.36 = 193,017.14 : x - Step 2: Convert to fraction form
356,364.70/491,779.36 = 193,017.14/x - Step 3: Cross multiply
356,364.70x = 491,779.36 × 193,017.14 - Step 4: Simplify right side
356,364.70x = 94,921,844,457.87 - Step 5: Solve for x
x = 94,921,844,457.87/356,364.70 - Step 6: Final answer
x = 266,361.53
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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.