Finding the Fourth Proportional to 236,779.70, 355,169.55 and 143,467.70
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Solution
The fourth proportional to 236,779.70, 355,169.55 and 143,467.70 is: 215,201.55
Step by Step Solution
- Step 1: Write the proportion equation
236,779.70 : 355,169.55 = 143,467.70 : x - Step 2: Convert to fraction form
236,779.70/355,169.55 = 143,467.70/x - Step 3: Cross multiply
236,779.70x = 355,169.55 × 143,467.70 - Step 4: Simplify right side
236,779.70x = 50,955,358,448.54 - Step 5: Solve for x
x = 50,955,358,448.54/236,779.70 - Step 6: Final answer
x = 215,201.55
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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.