Finding the Fourth Proportional to 249,277.88, 344,004.36 and 136,102.52
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Solution
The fourth proportional to 249,277.88, 344,004.36 and 136,102.52 is: 187,821.96
Step by Step Solution
- Step 1: Write the proportion equation
249,277.88 : 344,004.36 = 136,102.52 : x - Step 2: Convert to fraction form
249,277.88/344,004.36 = 136,102.52/x - Step 3: Cross multiply
249,277.88x = 344,004.36 × 136,102.52 - Step 4: Simplify right side
249,277.88x = 46,819,860,286.99 - Step 5: Solve for x
x = 46,819,860,286.99/249,277.88 - Step 6: Final answer
x = 187,821.96
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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.