Finding the Fourth Proportional to 373,407.58, 515,281.98 and 212,240.26
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Solution
The fourth proportional to 373,407.58, 515,281.98 and 212,240.26 is: 292,879.92
Step by Step Solution
- Step 1: Write the proportion equation
373,407.58 : 515,281.98 = 212,240.26 : x - Step 2: Convert to fraction form
373,407.58/515,281.98 = 212,240.26/x - Step 3: Cross multiply
373,407.58x = 515,281.98 × 212,240.26 - Step 4: Simplify right side
373,407.58x = 109,363,581,408.52 - Step 5: Solve for x
x = 109,363,581,408.52/373,407.58 - Step 6: Final answer
x = 292,879.92
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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.