Finding the Fourth Proportional to 318,268.02, 439,201.10 and 175,028.06
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Solution
The fourth proportional to 318,268.02, 439,201.10 and 175,028.06 is: 241,533.90
Step by Step Solution
- Step 1: Write the proportion equation
318,268.02 : 439,201.10 = 175,028.06 : x - Step 2: Convert to fraction form
318,268.02/439,201.10 = 175,028.06/x - Step 3: Cross multiply
318,268.02x = 439,201.10 × 175,028.06 - Step 4: Simplify right side
318,268.02x = 76,872,516,482.87 - Step 5: Solve for x
x = 76,872,516,482.87/318,268.02 - Step 6: Final answer
x = 241,533.90
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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.