Finding the Fourth Proportional to 416,072.18, 574,195.88 and 243,966.21
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Solution
The fourth proportional to 416,072.18, 574,195.88 and 243,966.21 is: 336,682.92
Step by Step Solution
- Step 1: Write the proportion equation
416,072.18 : 574,195.88 = 243,966.21 : x - Step 2: Convert to fraction form
416,072.18/574,195.88 = 243,966.21/x - Step 3: Cross multiply
416,072.18x = 574,195.88 × 243,966.21 - Step 4: Simplify right side
416,072.18x = 140,084,393,251.13 - Step 5: Solve for x
x = 140,084,393,251.13/416,072.18 - Step 6: Final answer
x = 336,682.92
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1.5x scale
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.