Finding the Fourth Proportional to 115,079.40, 172,405.26 and 62,533.08
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Solution
The fourth proportional to 115,079.40, 172,405.26 and 62,533.08 is: 93,683.42
Step by Step Solution
- Step 1: Write the proportion equation
115,079.40 : 172,405.26 = 62,533.08 : x - Step 2: Convert to fraction form
115,079.40/172,405.26 = 62,533.08/x - Step 3: Cross multiply
115,079.40x = 172,405.26 × 62,533.08 - Step 4: Simplify right side
115,079.40x = 10,781,031,916.00 - Step 5: Solve for x
x = 10,781,031,916.00/115,079.40 - Step 6: Final answer
x = 93,683.42
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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.