Finding the Fourth Proportional to 239,372.35, 330,329.35 and 130,477.72
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Solution
The fourth proportional to 239,372.35, 330,329.35 and 130,477.72 is: 180,056.80
Step by Step Solution
- Step 1: Write the proportion equation
239,372.35 : 330,329.35 = 130,477.72 : x - Step 2: Convert to fraction form
239,372.35/330,329.35 = 130,477.72/x - Step 3: Cross multiply
239,372.35x = 330,329.35 × 130,477.72 - Step 4: Simplify right side
239,372.35x = 43,100,620,437.08 - Step 5: Solve for x
x = 43,100,620,437.08/239,372.35 - Step 6: Final answer
x = 180,056.80
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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.