Finding the Fourth Proportional to 316,723.24, 437,078.26 and 173,485.68
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Solution
The fourth proportional to 316,723.24, 437,078.26 and 173,485.68 is: 239,410.34
Step by Step Solution
- Step 1: Write the proportion equation
316,723.24 : 437,078.26 = 173,485.68 : x - Step 2: Convert to fraction form
316,723.24/437,078.26 = 173,485.68/x - Step 3: Cross multiply
316,723.24x = 437,078.26 × 173,485.68 - Step 4: Simplify right side
316,723.24x = 75,826,819,149.32 - Step 5: Solve for x
x = 75,826,819,149.32/316,723.24 - Step 6: Final answer
x = 239,410.34
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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.