Finding the Fourth Proportional to 461,803.71, 637,299.95 and 257,847.74
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Solution
The fourth proportional to 461,803.71, 637,299.95 and 257,847.74 is: 355,835.92
Step by Step Solution
- Step 1: Write the proportion equation
461,803.71 : 637,299.95 = 257,847.74 : x - Step 2: Convert to fraction form
461,803.71/637,299.95 = 257,847.74/x - Step 3: Cross multiply
461,803.71x = 637,299.95 × 257,847.74 - Step 4: Simplify right side
461,803.71x = 164,326,351,174.14 - Step 5: Solve for x
x = 164,326,351,174.14/461,803.71 - Step 6: Final answer
x = 355,835.92
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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.