Finding the Fourth Proportional to 250,205.70, 345,282.39 and 135,483.18
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Solution
The fourth proportional to 250,205.70, 345,282.39 and 135,483.18 is: 186,965.99
Step by Step Solution
- Step 1: Write the proportion equation
250,205.70 : 345,282.39 = 135,483.18 : x - Step 2: Convert to fraction form
250,205.70/345,282.39 = 135,483.18/x - Step 3: Cross multiply
250,205.70x = 345,282.39 × 135,483.18 - Step 4: Simplify right side
250,205.70x = 46,779,956,195.20 - Step 5: Solve for x
x = 46,779,956,195.20/250,205.70 - Step 6: Final answer
x = 186,965.99
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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.