Finding the Fourth Proportional to 249,889.50, 374,873.27 and 81,370.08
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Solution
The fourth proportional to 249,889.50, 374,873.27 and 81,370.08 is: 122,067.82
Step by Step Solution
- Step 1: Write the proportion equation
249,889.50 : 374,873.27 = 81,370.08 : x - Step 2: Convert to fraction form
249,889.50/374,873.27 = 81,370.08/x - Step 3: Cross multiply
249,889.50x = 374,873.27 × 81,370.08 - Step 4: Simplify right side
249,889.50x = 30,503,467,562.91 - Step 5: Solve for x
x = 30,503,467,562.91/249,889.50 - Step 6: Final answer
x = 122,067.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.