Finding the Fourth Proportional to 539,630.96, 809,305.43 and 160,449.58
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Solution
The fourth proportional to 539,630.96, 809,305.43 and 160,449.58 is: 240,632.45
Step by Step Solution
- Step 1: Write the proportion equation
539,630.96 : 809,305.43 = 160,449.58 : x - Step 2: Convert to fraction form
539,630.96/809,305.43 = 160,449.58/x - Step 3: Cross multiply
539,630.96x = 809,305.43 × 160,449.58 - Step 4: Simplify right side
539,630.96x = 129,852,718,820.78 - Step 5: Solve for x
x = 129,852,718,820.78/539,630.96 - Step 6: Final answer
x = 240,632.45
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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.