Finding the Fourth Proportional to 373,645.08, 515,630.22 and 239,509.08
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Solution
The fourth proportional to 373,645.08, 515,630.22 and 239,509.08 is: 330,522.54
Step by Step Solution
- Step 1: Write the proportion equation
373,645.08 : 515,630.22 = 239,509.08 : x - Step 2: Convert to fraction form
373,645.08/515,630.22 = 239,509.08/x - Step 3: Cross multiply
373,645.08x = 515,630.22 × 239,509.08 - Step 4: Simplify right side
373,645.08x = 123,498,119,612.40 - Step 5: Solve for x
x = 123,498,119,612.40/373,645.08 - Step 6: Final answer
x = 330,522.54
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1.5x scale
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.