Finding the Fourth Proportional to 341,782.21, 471,683.16 and 198,587.17
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Solution
The fourth proportional to 341,782.21, 471,683.16 and 198,587.17 is: 274,064.07
Step by Step Solution
- Step 1: Write the proportion equation
341,782.21 : 471,683.16 = 198,587.17 : x - Step 2: Convert to fraction form
341,782.21/471,683.16 = 198,587.17/x - Step 3: Cross multiply
341,782.21x = 471,683.16 × 198,587.17 - Step 4: Simplify right side
341,782.21x = 93,670,223,881.06 - Step 5: Solve for x
x = 93,670,223,881.06/341,782.21 - Step 6: Final answer
x = 274,064.07
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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.