Finding the Fourth Proportional to 178,389.08, 246,174.90 and 102,935.96
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Solution
The fourth proportional to 178,389.08, 246,174.90 and 102,935.96 is: 142,050.45
Step by Step Solution
- Step 1: Write the proportion equation
178,389.08 : 246,174.90 = 102,935.96 : x - Step 2: Convert to fraction form
178,389.08/246,174.90 = 102,935.96/x - Step 3: Cross multiply
178,389.08x = 246,174.90 × 102,935.96 - Step 4: Simplify right side
178,389.08x = 25,340,249,659.40 - Step 5: Solve for x
x = 25,340,249,659.40/178,389.08 - Step 6: Final answer
x = 142,050.45
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1.5x scale
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.