Finding the Fourth Proportional to 320,308.34, 480,462.60 and 83,648.99
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Solution
The fourth proportional to 320,308.34, 480,462.60 and 83,648.99 is: 125,473.51
Step by Step Solution
- Step 1: Write the proportion equation
320,308.34 : 480,462.60 = 83,648.99 : x - Step 2: Convert to fraction form
320,308.34/480,462.60 = 83,648.99/x - Step 3: Cross multiply
320,308.34x = 480,462.60 × 83,648.99 - Step 4: Simplify right side
320,308.34x = 40,190,211,222.77 - Step 5: Solve for x
x = 40,190,211,222.77/320,308.34 - Step 6: Final answer
x = 125,473.51
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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.