Finding the Fourth Proportional to 340,433.08, 469,768.62 and 189,544.12
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Solution
The fourth proportional to 340,433.08, 469,768.62 and 189,544.12 is: 261,554.72
Step by Step Solution
- Step 1: Write the proportion equation
340,433.08 : 469,768.62 = 189,544.12 : x - Step 2: Convert to fraction form
340,433.08/469,768.62 = 189,544.12/x - Step 3: Cross multiply
340,433.08x = 469,768.62 × 189,544.12 - Step 4: Simplify right side
340,433.08x = 89,041,879,681.51 - Step 5: Solve for x
x = 89,041,879,681.51/340,433.08 - Step 6: Final answer
x = 261,554.72
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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.