Finding the Fourth Proportional to 109,246.93, 150,763.68 and 61,502.09
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Solution
The fourth proportional to 109,246.93, 150,763.68 and 61,502.09 is: 84,874.52
Step by Step Solution
- Step 1: Write the proportion equation
109,246.93 : 150,763.68 = 61,502.09 : x - Step 2: Convert to fraction form
109,246.93/150,763.68 = 61,502.09/x - Step 3: Cross multiply
109,246.93x = 150,763.68 × 61,502.09 - Step 4: Simplify right side
109,246.93x = 9,272,280,662.27 - Step 5: Solve for x
x = 9,272,280,662.27/109,246.93 - Step 6: Final answer
x = 84,874.52
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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.