Finding the Fourth Proportional to 180,699.75, 249,369.26 and 105,253.11
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Solution
The fourth proportional to 180,699.75, 249,369.26 and 105,253.11 is: 145,251.39
Step by Step Solution
- Step 1: Write the proportion equation
180,699.75 : 249,369.26 = 105,253.11 : x - Step 2: Convert to fraction form
180,699.75/249,369.26 = 105,253.11/x - Step 3: Cross multiply
180,699.75x = 249,369.26 × 105,253.11 - Step 4: Simplify right side
180,699.75x = 26,246,889,627.13 - Step 5: Solve for x
x = 26,246,889,627.13/180,699.75 - Step 6: Final answer
x = 145,251.39
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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.