Finding the Fourth Proportional to 180,882.02, 249,617.76 and 100,316.99
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Solution
The fourth proportional to 180,882.02, 249,617.76 and 100,316.99 is: 138,437.76
Step by Step Solution
- Step 1: Write the proportion equation
180,882.02 : 249,617.76 = 100,316.99 : x - Step 2: Convert to fraction form
180,882.02/249,617.76 = 100,316.99/x - Step 3: Cross multiply
180,882.02x = 249,617.76 × 100,316.99 - Step 4: Simplify right side
180,882.02x = 25,040,902,333.74 - Step 5: Solve for x
x = 25,040,902,333.74/180,882.02 - Step 6: Final answer
x = 138,437.76
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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.