Finding the Fourth Proportional to 810,190.08, 1,215,178.56 and 249,177.60
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Solution
The fourth proportional to 810,190.08, 1,215,178.56 and 249,177.60 is: 373,733.63
Step by Step Solution
- Step 1: Write the proportion equation
810,190.08 : 1,215,178.56 = 249,177.60 : x - Step 2: Convert to fraction form
810,190.08/1,215,178.56 = 249,177.60/x - Step 3: Cross multiply
810,190.08x = 1,215,178.56 × 249,177.60 - Step 4: Simplify right side
810,190.08x = 302,795,277,152.26 - Step 5: Solve for x
x = 302,795,277,152.26/810,190.08 - Step 6: Final answer
x = 373,733.63
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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.