Finding the Fourth Proportional to 299,671.25, 413,541.23 and 163,701.70
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Solution
The fourth proportional to 299,671.25, 413,541.23 and 163,701.70 is: 225,905.56
Step by Step Solution
- Step 1: Write the proportion equation
299,671.25 : 413,541.23 = 163,701.70 : x - Step 2: Convert to fraction form
299,671.25/413,541.23 = 163,701.70/x - Step 3: Cross multiply
299,671.25x = 413,541.23 × 163,701.70 - Step 4: Simplify right side
299,671.25x = 67,697,400,518.73 - Step 5: Solve for x
x = 67,697,400,518.73/299,671.25 - Step 6: Final answer
x = 225,905.56
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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.