Finding the Fourth Proportional to 286,313.60, 429,360.96 and 94,143.26
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Solution
The fourth proportional to 286,313.60, 429,360.96 and 94,143.26 is: 141,178.90
Step by Step Solution
- Step 1: Write the proportion equation
286,313.60 : 429,360.96 = 94,143.26 : x - Step 2: Convert to fraction form
286,313.60/429,360.96 = 94,143.26/x - Step 3: Cross multiply
286,313.60x = 429,360.96 × 94,143.26 - Step 4: Simplify right side
286,313.60x = 40,421,440,491.13 - Step 5: Solve for x
x = 40,421,440,491.13/286,313.60 - Step 6: Final answer
x = 141,178.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.