Finding the Fourth Proportional to 468,268.97, 646,212.81 and 253,408.98
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Solution
The fourth proportional to 468,268.97, 646,212.81 and 253,408.98 is: 349,705.28
Step by Step Solution
- Step 1: Write the proportion equation
468,268.97 : 646,212.81 = 253,408.98 : x - Step 2: Convert to fraction form
468,268.97/646,212.81 = 253,408.98/x - Step 3: Cross multiply
468,268.97x = 646,212.81 × 253,408.98 - Step 4: Simplify right side
468,268.97x = 163,756,129,045.03 - Step 5: Solve for x
x = 163,756,129,045.03/468,268.97 - Step 6: Final answer
x = 349,705.28
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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.