Finding the Fourth Proportional to 318,782.08, 439,919.24 and 175,541.78
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Solution
The fourth proportional to 318,782.08, 439,919.24 and 175,541.78 is: 242,247.64
Step by Step Solution
- Step 1: Write the proportion equation
318,782.08 : 439,919.24 = 175,541.78 : x - Step 2: Convert to fraction form
318,782.08/439,919.24 = 175,541.78/x - Step 3: Cross multiply
318,782.08x = 439,919.24 × 175,541.78 - Step 4: Simplify right side
318,782.08x = 77,224,206,445.85 - Step 5: Solve for x
x = 77,224,206,445.85/318,782.08 - Step 6: Final answer
x = 242,247.64
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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.