Finding the Fourth Proportional to 555,233.76, 766,349.08 and 361,299.70
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Solution
The fourth proportional to 555,233.76, 766,349.08 and 361,299.70 is: 498,675.90
Step by Step Solution
- Step 1: Write the proportion equation
555,233.76 : 766,349.08 = 361,299.70 : x - Step 2: Convert to fraction form
555,233.76/766,349.08 = 361,299.70/x - Step 3: Cross multiply
555,233.76x = 766,349.08 × 361,299.70 - Step 4: Simplify right side
555,233.76x = 276,881,692,699.28 - Step 5: Solve for x
x = 276,881,692,699.28/555,233.76 - Step 6: Final answer
x = 498,675.90
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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.