Finding the Fourth Proportional to 555,214.36, 766,197.48 and 300,564.94
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Solution
The fourth proportional to 555,214.36, 766,197.48 and 300,564.94 is: 414,780.52
Step by Step Solution
- Step 1: Write the proportion equation
555,214.36 : 766,197.48 = 300,564.94 : x - Step 2: Convert to fraction form
555,214.36/766,197.48 = 300,564.94/x - Step 3: Cross multiply
555,214.36x = 766,197.48 × 300,564.94 - Step 4: Simplify right side
555,214.36x = 230,292,099,604.35 - Step 5: Solve for x
x = 230,292,099,604.35/555,214.36 - Step 6: Final answer
x = 414,780.52
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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.