Finding the Fourth Proportional to 648,197.19, 894,510.81 and 361,700.19
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Solution
The fourth proportional to 648,197.19, 894,510.81 and 361,700.19 is: 499,145.53
Step by Step Solution
- Step 1: Write the proportion equation
648,197.19 : 894,510.81 = 361,700.19 : x - Step 2: Convert to fraction form
648,197.19/894,510.81 = 361,700.19/x - Step 3: Cross multiply
648,197.19x = 894,510.81 × 361,700.19 - Step 4: Simplify right side
648,197.19x = 323,544,729,934.05 - Step 5: Solve for x
x = 323,544,729,934.05/648,197.19 - Step 6: Final answer
x = 499,145.53
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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.