Finding the Fourth Proportional to 736,189.76, 1,104,309.21 and 203,666.20
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Solution
The fourth proportional to 736,189.76, 1,104,309.21 and 203,666.20 is: 305,506.09
Step by Step Solution
- Step 1: Write the proportion equation
736,189.76 : 1,104,309.21 = 203,666.20 : x - Step 2: Convert to fraction form
736,189.76/1,104,309.21 = 203,666.20/x - Step 3: Cross multiply
736,189.76x = 1,104,309.21 × 203,666.20 - Step 4: Simplify right side
736,189.76x = 224,910,458,428.68 - Step 5: Solve for x
x = 224,910,458,428.68/736,189.76 - Step 6: Final answer
x = 305,506.09
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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.