Finding the Fourth Proportional to 462,819.44, 638,749.98 and 258,881.69
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Solution
The fourth proportional to 462,819.44, 638,749.98 and 258,881.69 is: 357,289.82
Step by Step Solution
- Step 1: Write the proportion equation
462,819.44 : 638,749.98 = 258,881.69 : x - Step 2: Convert to fraction form
462,819.44/638,749.98 = 258,881.69/x - Step 3: Cross multiply
462,819.44x = 638,749.98 × 258,881.69 - Step 4: Simplify right side
462,819.44x = 165,360,671,116.12 - Step 5: Solve for x
x = 165,360,671,116.12/462,819.44 - Step 6: Final answer
x = 357,289.82
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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.