Finding the Fourth Proportional to 370,855.20, 556,282.80 and 202,893.60
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Solution
The fourth proportional to 370,855.20, 556,282.80 and 202,893.60 is: 304,340.40
Step by Step Solution
- Step 1: Write the proportion equation
370,855.20 : 556,282.80 = 202,893.60 : x - Step 2: Convert to fraction form
370,855.20/556,282.80 = 202,893.60/x - Step 3: Cross multiply
370,855.20x = 556,282.80 × 202,893.60 - Step 4: Simplify right side
370,855.20x = 112,866,219,910.08 - Step 5: Solve for x
x = 112,866,219,910.08/370,855.20 - Step 6: Final answer
x = 304,340.40
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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.