Finding the Fourth Proportional to 249,949.80, 374,924.43 and 81,470.07
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Solution
The fourth proportional to 249,949.80, 374,924.43 and 81,470.07 is: 122,205.02
Step by Step Solution
- Step 1: Write the proportion equation
249,949.80 : 374,924.43 = 81,470.07 : x - Step 2: Convert to fraction form
249,949.80/374,924.43 = 81,470.07/x - Step 3: Cross multiply
249,949.80x = 374,924.43 × 81,470.07 - Step 4: Simplify right side
249,949.80x = 30,545,119,556.81 - Step 5: Solve for x
x = 30,545,119,556.81/249,949.80 - Step 6: Final answer
x = 122,205.02
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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.