Finding the Fourth Proportional to 628,915.43, 943,438.58 and 173,506.68
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Solution
The fourth proportional to 628,915.43, 943,438.58 and 173,506.68 is: 260,278.07
Step by Step Solution
- Step 1: Write the proportion equation
628,915.43 : 943,438.58 = 173,506.68 : x - Step 2: Convert to fraction form
628,915.43/943,438.58 = 173,506.68/x - Step 3: Cross multiply
628,915.43x = 943,438.58 × 173,506.68 - Step 4: Simplify right side
628,915.43x = 163,692,891,394.29 - Step 5: Solve for x
x = 163,692,891,394.29/628,915.43 - Step 6: Final answer
x = 260,278.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.