Finding the Fourth Proportional to 343,406.84, 473,925.33 and 190,458.99
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Solution
The fourth proportional to 343,406.84, 473,925.33 and 190,458.99 is: 262,846.66
Step by Step Solution
- Step 1: Write the proportion equation
343,406.84 : 473,925.33 = 190,458.99 : x - Step 2: Convert to fraction form
343,406.84/473,925.33 = 190,458.99/x - Step 3: Cross multiply
343,406.84x = 473,925.33 × 190,458.99 - Step 4: Simplify right side
343,406.84x = 90,263,339,687.22 - Step 5: Solve for x
x = 90,263,339,687.22/343,406.84 - Step 6: Final answer
x = 262,846.66
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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.