Finding the Fourth Proportional to 342,534.06, 513,850.14 and 105,895.08
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Solution
The fourth proportional to 342,534.06, 513,850.14 and 105,895.08 is: 158,857.78
Step by Step Solution
- Step 1: Write the proportion equation
342,534.06 : 513,850.14 = 105,895.08 : x - Step 2: Convert to fraction form
342,534.06/513,850.14 = 105,895.08/x - Step 3: Cross multiply
342,534.06x = 513,850.14 × 105,895.08 - Step 4: Simplify right side
342,534.06x = 54,414,201,683.31 - Step 5: Solve for x
x = 54,414,201,683.31/342,534.06 - Step 6: Final answer
x = 158,857.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.