Finding the Fourth Proportional to 358,430.21, 494,629.77 and 197,281.79
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Solution
The fourth proportional to 358,430.21, 494,629.77 and 197,281.79 is: 272,246.71
Step by Step Solution
- Step 1: Write the proportion equation
358,430.21 : 494,629.77 = 197,281.79 : x - Step 2: Convert to fraction form
358,430.21/494,629.77 = 197,281.79/x - Step 3: Cross multiply
358,430.21x = 494,629.77 × 197,281.79 - Step 4: Simplify right side
358,430.21x = 97,581,446,412.89 - Step 5: Solve for x
x = 97,581,446,412.89/358,430.21 - Step 6: Final answer
x = 272,246.71
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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.