Finding the Fourth Proportional to 461,646.27, 637,103.88 and 257,737.28
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Solution
The fourth proportional to 461,646.27, 637,103.88 and 257,737.28 is: 355,695.32
Step by Step Solution
- Step 1: Write the proportion equation
461,646.27 : 637,103.88 = 257,737.28 : x - Step 2: Convert to fraction form
461,646.27/637,103.88 = 257,737.28/x - Step 3: Cross multiply
461,646.27x = 637,103.88 × 257,737.28 - Step 4: Simplify right side
461,646.27x = 164,205,417,923.13 - Step 5: Solve for x
x = 164,205,417,923.13/461,646.27 - Step 6: Final answer
x = 355,695.32
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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.