Finding the Fourth Proportional to 309,930.41, 464,683.37 and 157,833.06
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Solution
The fourth proportional to 309,930.41, 464,683.37 and 157,833.06 is: 236,641.50
Step by Step Solution
- Step 1: Write the proportion equation
309,930.41 : 464,683.37 = 157,833.06 : x - Step 2: Convert to fraction form
309,930.41/464,683.37 = 157,833.06/x - Step 3: Cross multiply
309,930.41x = 464,683.37 × 157,833.06 - Step 4: Simplify right side
309,930.41x = 73,342,397,429.05 - Step 5: Solve for x
x = 73,342,397,429.05/309,930.41 - Step 6: Final answer
x = 236,641.50
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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.