Finding the Fourth Proportional to 298,313.16, 411,579.27 and 169,230.21
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Solution
The fourth proportional to 298,313.16, 411,579.27 and 169,230.21 is: 233,484.99
Step by Step Solution
- Step 1: Write the proportion equation
298,313.16 : 411,579.27 = 169,230.21 : x - Step 2: Convert to fraction form
298,313.16/411,579.27 = 169,230.21/x - Step 3: Cross multiply
298,313.16x = 411,579.27 × 169,230.21 - Step 4: Simplify right side
298,313.16x = 69,651,646,293.75 - Step 5: Solve for x
x = 69,651,646,293.75/298,313.16 - Step 6: Final answer
x = 233,484.99
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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.