Finding the Fourth Proportional to 97,467.36, 134,506.06 and 57,181.80
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Solution
The fourth proportional to 97,467.36, 134,506.06 and 57,181.80 is: 78,911.53
Step by Step Solution
- Step 1: Write the proportion equation
97,467.36 : 134,506.06 = 57,181.80 : x - Step 2: Convert to fraction form
97,467.36/134,506.06 = 57,181.80/x - Step 3: Cross multiply
97,467.36x = 134,506.06 × 57,181.80 - Step 4: Simplify right side
97,467.36x = 7,691,298,621.71 - Step 5: Solve for x
x = 7,691,298,621.71/97,467.36 - Step 6: Final answer
x = 78,911.53
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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.