Finding the Fourth Proportional to 355,102.99, 532,887.53 and 130,465.28
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Solution
The fourth proportional to 355,102.99, 532,887.53 and 130,465.28 is: 195,783.55
Step by Step Solution
- Step 1: Write the proportion equation
355,102.99 : 532,887.53 = 130,465.28 : x - Step 2: Convert to fraction form
355,102.99/532,887.53 = 130,465.28/x - Step 3: Cross multiply
355,102.99x = 532,887.53 × 130,465.28 - Step 4: Simplify right side
355,102.99x = 69,523,322,590.65 - Step 5: Solve for x
x = 69,523,322,590.65/355,102.99 - Step 6: Final answer
x = 195,783.55
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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.