Finding the Fourth Proportional to 463,427.76, 639,381.69 and 259,448.70
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Solution
The fourth proportional to 463,427.76, 639,381.69 and 259,448.70 is: 357,956.00
Step by Step Solution
- Step 1: Write the proportion equation
463,427.76 : 639,381.69 = 259,448.70 : x - Step 2: Convert to fraction form
463,427.76/639,381.69 = 259,448.70/x - Step 3: Cross multiply
463,427.76x = 639,381.69 × 259,448.70 - Step 4: Simplify right side
463,427.76x = 165,886,748,274.30 - Step 5: Solve for x
x = 165,886,748,274.30/463,427.76 - Step 6: Final answer
x = 357,956.00
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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.