Finding the Fourth Proportional to 555,763.90, 766,954.26 and 301,115.08
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Solution
The fourth proportional to 555,763.90, 766,954.26 and 301,115.08 is: 415,538.85
Step by Step Solution
- Step 1: Write the proportion equation
555,763.90 : 766,954.26 = 301,115.08 : x - Step 2: Convert to fraction form
555,763.90/766,954.26 = 301,115.08/x - Step 3: Cross multiply
555,763.90x = 766,954.26 × 301,115.08 - Step 4: Simplify right side
555,763.90x = 230,941,493,356.24 - Step 5: Solve for x
x = 230,941,493,356.24/555,763.90 - Step 6: Final answer
x = 415,538.85
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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.