Finding the Fourth Proportional to 246,776.60, 370,201.35 and 78,312.80
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Solution
The fourth proportional to 246,776.60, 370,201.35 and 78,312.80 is: 117,480.77
Step by Step Solution
- Step 1: Write the proportion equation
246,776.60 : 370,201.35 = 78,312.80 : x - Step 2: Convert to fraction form
246,776.60/370,201.35 = 78,312.80/x - Step 3: Cross multiply
246,776.60x = 370,201.35 × 78,312.80 - Step 4: Simplify right side
246,776.60x = 28,991,504,282.28 - Step 5: Solve for x
x = 28,991,504,282.28/246,776.60 - Step 6: Final answer
x = 117,480.77
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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.