Finding the Fourth Proportional to 245,626.70, 368,440.05 and 133,652.30
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Solution
The fourth proportional to 245,626.70, 368,440.05 and 133,652.30 is: 200,478.45
Step by Step Solution
- Step 1: Write the proportion equation
245,626.70 : 368,440.05 = 133,652.30 : x - Step 2: Convert to fraction form
245,626.70/368,440.05 = 133,652.30/x - Step 3: Cross multiply
245,626.70x = 368,440.05 × 133,652.30 - Step 4: Simplify right side
245,626.70x = 49,242,860,094.62 - Step 5: Solve for x
x = 49,242,860,094.62/245,626.70 - Step 6: Final answer
x = 200,478.45
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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.