Finding the Fourth Proportional to 180,759.47, 249,462.99 and 100,212.26
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Solution
The fourth proportional to 180,759.47, 249,462.99 and 100,212.26 is: 138,301.19
Step by Step Solution
- Step 1: Write the proportion equation
180,759.47 : 249,462.99 = 100,212.26 : x - Step 2: Convert to fraction form
180,759.47/249,462.99 = 100,212.26/x - Step 3: Cross multiply
180,759.47x = 249,462.99 × 100,212.26 - Step 4: Simplify right side
180,759.47x = 24,999,248,766.94 - Step 5: Solve for x
x = 24,999,248,766.94/180,759.47 - Step 6: Final answer
x = 138,301.19
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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.