Finding the Fourth Proportional to 249,193.80, 373,790.70 and 214,201.80
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Solution
The fourth proportional to 249,193.80, 373,790.70 and 214,201.80 is: 321,302.70
Step by Step Solution
- Step 1: Write the proportion equation
249,193.80 : 373,790.70 = 214,201.80 : x - Step 2: Convert to fraction form
249,193.80/373,790.70 = 214,201.80/x - Step 3: Cross multiply
249,193.80x = 373,790.70 × 214,201.80 - Step 4: Simplify right side
249,193.80x = 80,066,640,763.26 - Step 5: Solve for x
x = 80,066,640,763.26/249,193.80 - Step 6: Final answer
x = 321,302.70
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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.