Finding the Fourth Proportional to 282,329.01, 423,638.64 and 187,624.62
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Solution
The fourth proportional to 282,329.01, 423,638.64 and 187,624.62 is: 281,533.37
Step by Step Solution
- Step 1: Write the proportion equation
282,329.01 : 423,638.64 = 187,624.62 : x - Step 2: Convert to fraction form
282,329.01/423,638.64 = 187,624.62/x - Step 3: Cross multiply
282,329.01x = 423,638.64 × 187,624.62 - Step 4: Simplify right side
282,329.01x = 79,485,038,847.32 - Step 5: Solve for x
x = 79,485,038,847.32/282,329.01 - Step 6: Final answer
x = 281,533.37
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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.