Finding the Fourth Proportional to 230,028.19, 317,445.95 and 125,259.08
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Solution
The fourth proportional to 230,028.19, 317,445.95 and 125,259.08 is: 172,861.36
Step by Step Solution
- Step 1: Write the proportion equation
230,028.19 : 317,445.95 = 125,259.08 : x - Step 2: Convert to fraction form
230,028.19/317,445.95 = 125,259.08/x - Step 3: Cross multiply
230,028.19x = 317,445.95 × 125,259.08 - Step 4: Simplify right side
230,028.19x = 39,762,986,372.64 - Step 5: Solve for x
x = 39,762,986,372.64/230,028.19 - Step 6: Final answer
x = 172,861.36
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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.