Finding the Fourth Proportional to 306,751.01, 423,315.44 and 170,781.44
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Solution
The fourth proportional to 306,751.01, 423,315.44 and 170,781.44 is: 235,677.86
Step by Step Solution
- Step 1: Write the proportion equation
306,751.01 : 423,315.44 = 170,781.44 : x - Step 2: Convert to fraction form
306,751.01/423,315.44 = 170,781.44/x - Step 3: Cross multiply
306,751.01x = 423,315.44 × 170,781.44 - Step 4: Simplify right side
306,751.01x = 72,294,420,417.43 - Step 5: Solve for x
x = 72,294,420,417.43/306,751.01 - Step 6: Final answer
x = 235,677.86
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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.