Finding the Fourth Proportional to 679,246.90, 937,370.42 and 373,351.56
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Solution
The fourth proportional to 679,246.90, 937,370.42 and 373,351.56 is: 515,230.49
Step by Step Solution
- Step 1: Write the proportion equation
679,246.90 : 937,370.42 = 373,351.56 : x - Step 2: Convert to fraction form
679,246.90/937,370.42 = 373,351.56/x - Step 3: Cross multiply
679,246.90x = 937,370.42 × 373,351.56 - Step 4: Simplify right side
679,246.90x = 349,968,709,538.23 - Step 5: Solve for x
x = 349,968,709,538.23/679,246.90 - Step 6: Final answer
x = 515,230.49
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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.