Finding the Fourth Proportional to 448,863.94, 619,389.21 and 247,646.98
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Solution
The fourth proportional to 448,863.94, 619,389.21 and 247,646.98 is: 341,729.09
Step by Step Solution
- Step 1: Write the proportion equation
448,863.94 : 619,389.21 = 247,646.98 : x - Step 2: Convert to fraction form
448,863.94/619,389.21 = 247,646.98/x - Step 3: Cross multiply
448,863.94x = 619,389.21 × 247,646.98 - Step 4: Simplify right side
448,863.94x = 153,389,867,301.09 - Step 5: Solve for x
x = 153,389,867,301.09/448,863.94 - Step 6: Final answer
x = 341,729.09
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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.