Finding the Fourth Proportional to 329,313.79, 454,447.12 and 186,070.76
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Solution
The fourth proportional to 329,313.79, 454,447.12 and 186,070.76 is: 256,774.31
Step by Step Solution
- Step 1: Write the proportion equation
329,313.79 : 454,447.12 = 186,070.76 : x - Step 2: Convert to fraction form
329,313.79/454,447.12 = 186,070.76/x - Step 3: Cross multiply
329,313.79x = 454,447.12 × 186,070.76 - Step 4: Simplify right side
329,313.79x = 84,559,320,998.21 - Step 5: Solve for x
x = 84,559,320,998.21/329,313.79 - Step 6: Final answer
x = 256,774.31
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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.