Finding the Fourth Proportional to 461,811.06, 637,310.07 and 257,855.09
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Solution
The fourth proportional to 461,811.06, 637,310.07 and 257,855.09 is: 355,846.05
Step by Step Solution
- Step 1: Write the proportion equation
461,811.06 : 637,310.07 = 257,855.09 : x - Step 2: Convert to fraction form
461,811.06/637,310.07 = 257,855.09/x - Step 3: Cross multiply
461,811.06x = 637,310.07 × 257,855.09 - Step 4: Simplify right side
461,811.06x = 164,333,642,271.21 - Step 5: Solve for x
x = 164,333,642,271.21/461,811.06 - Step 6: Final answer
x = 355,846.05
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.