Finding the Fourth Proportional to 555,795.70, 766,998.75 and 301,146.70
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Solution
The fourth proportional to 555,795.70, 766,998.75 and 301,146.70 is: 415,582.82
Step by Step Solution
- Step 1: Write the proportion equation
555,795.70 : 766,998.75 = 301,146.70 : x - Step 2: Convert to fraction form
555,795.70/766,998.75 = 301,146.70/x - Step 3: Cross multiply
555,795.70x = 766,998.75 × 301,146.70 - Step 4: Simplify right side
555,795.70x = 230,979,142,466.63 - Step 5: Solve for x
x = 230,979,142,466.63/555,795.70 - Step 6: Final answer
x = 415,582.82
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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.