Finding the Fourth Proportional to 239,626.08, 330,700.32 and 139,024.08
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Solution
The fourth proportional to 239,626.08, 330,700.32 and 139,024.08 is: 191,862.70
Step by Step Solution
- Step 1: Write the proportion equation
239,626.08 : 330,700.32 = 139,024.08 : x - Step 2: Convert to fraction form
239,626.08/330,700.32 = 139,024.08/x - Step 3: Cross multiply
239,626.08x = 330,700.32 × 139,024.08 - Step 4: Simplify right side
239,626.08x = 45,975,307,743.71 - Step 5: Solve for x
x = 45,975,307,743.71/239,626.08 - Step 6: Final answer
x = 191,862.70
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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.