Finding the Fourth Proportional to 370,775.86, 556,206.99 and 134,229.94
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Solution
The fourth proportional to 370,775.86, 556,206.99 and 134,229.94 is: 201,360.55
Step by Step Solution
- Step 1: Write the proportion equation
370,775.86 : 556,206.99 = 134,229.94 : x - Step 2: Convert to fraction form
370,775.86/556,206.99 = 134,229.94/x - Step 3: Cross multiply
370,775.86x = 556,206.99 × 134,229.94 - Step 4: Simplify right side
370,775.86x = 74,659,630,895.28 - Step 5: Solve for x
x = 74,659,630,895.28/370,775.86 - Step 6: Final answer
x = 201,360.55
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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.