Finding the Fourth Proportional to 180,667.67, 249,314.77 and 104,189.99
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Solution
The fourth proportional to 180,667.67, 249,314.77 and 104,189.99 is: 143,778.37
Step by Step Solution
- Step 1: Write the proportion equation
180,667.67 : 249,314.77 = 104,189.99 : x - Step 2: Convert to fraction form
180,667.67/249,314.77 = 104,189.99/x - Step 3: Cross multiply
180,667.67x = 249,314.77 × 104,189.99 - Step 4: Simplify right side
180,667.67x = 25,976,102,872.20 - Step 5: Solve for x
x = 25,976,102,872.20/180,667.67 - Step 6: Final answer
x = 143,778.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.