Finding the Fourth Proportional to 342,711.68, 472,994.35 and 213,671.09
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Solution
The fourth proportional to 342,711.68, 472,994.35 and 213,671.09 is: 294,898.66
Step by Step Solution
- Step 1: Write the proportion equation
342,711.68 : 472,994.35 = 213,671.09 : x - Step 2: Convert to fraction form
342,711.68/472,994.35 = 213,671.09/x - Step 3: Cross multiply
342,711.68x = 472,994.35 × 213,671.09 - Step 4: Simplify right side
342,711.68x = 101,065,215,963.37 - Step 5: Solve for x
x = 101,065,215,963.37/342,711.68 - Step 6: Final answer
x = 294,898.66
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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.