Finding the Fourth Proportional to 454,630.98, 681,946.46 and 201,852.05
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Solution
The fourth proportional to 454,630.98, 681,946.46 and 201,852.05 is: 302,778.06
Step by Step Solution
- Step 1: Write the proportion equation
454,630.98 : 681,946.46 = 201,852.05 : x - Step 2: Convert to fraction form
454,630.98/681,946.46 = 201,852.05/x - Step 3: Cross multiply
454,630.98x = 681,946.46 × 201,852.05 - Step 4: Simplify right side
454,630.98x = 137,652,286,522.25 - Step 5: Solve for x
x = 137,652,286,522.25/454,630.98 - Step 6: Final answer
x = 302,778.06
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1.5x scale
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.