Finding the Fourth Proportional to 249,729,121.80, 374,593,682.70 and 245,424,449.70
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Solution
The fourth proportional to 249,729,121.80, 374,593,682.70 and 245,424,449.70 is: 368,136,674.55
Step by Step Solution
- Step 1: Write the proportion equation
249,729,121.80 : 374,593,682.70 = 245,424,449.70 : x - Step 2: Convert to fraction form
249,729,121.80/374,593,682.70 = 245,424,449.70/x - Step 3: Cross multiply
249,729,121.80x = 374,593,682.70 × 245,424,449.70 - Step 4: Simplify right side
249,729,121.80x = 91,934,448,437,743,904 - Step 5: Solve for x
x = 91,934,448,437,743,904/249,729,121.80 - Step 6: Final answer
x = 368,136,674.55
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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.