Finding the Fourth Proportional to 301,685.10, 452,626.08 and 143,893.05
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Solution
The fourth proportional to 301,685.10, 452,626.08 and 143,893.05 is: 215,886.52
Step by Step Solution
- Step 1: Write the proportion equation
301,685.10 : 452,626.08 = 143,893.05 : x - Step 2: Convert to fraction form
301,685.10/452,626.08 = 143,893.05/x - Step 3: Cross multiply
301,685.10x = 452,626.08 × 143,893.05 - Step 4: Simplify right side
301,685.10x = 65,129,747,160.74 - Step 5: Solve for x
x = 65,129,747,160.74/301,685.10 - Step 6: Final answer
x = 215,886.52
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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.