Finding the Fourth Proportional to 213,557.10, 294,683.16 and 118,050.81
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Solution
The fourth proportional to 213,557.10, 294,683.16 and 118,050.81 is: 162,895.95
Step by Step Solution
- Step 1: Write the proportion equation
213,557.10 : 294,683.16 = 118,050.81 : x - Step 2: Convert to fraction form
213,557.10/294,683.16 = 118,050.81/x - Step 3: Cross multiply
213,557.10x = 294,683.16 × 118,050.81 - Step 4: Simplify right side
213,557.10x = 34,787,585,731.36 - Step 5: Solve for x
x = 34,787,585,731.36/213,557.10 - Step 6: Final answer
x = 162,895.95
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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.