Finding the Fourth Proportional to 539,489.75, 809,273.51 and 207,065.75
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Solution
The fourth proportional to 539,489.75, 809,273.51 and 207,065.75 is: 310,613.55
Step by Step Solution
- Step 1: Write the proportion equation
539,489.75 : 809,273.51 = 207,065.75 : x - Step 2: Convert to fraction form
539,489.75/809,273.51 = 207,065.75/x - Step 3: Cross multiply
539,489.75x = 809,273.51 × 207,065.75 - Step 4: Simplify right side
539,489.75x = 167,572,826,303.28 - Step 5: Solve for x
x = 167,572,826,303.28/539,489.75 - Step 6: Final answer
x = 310,613.55
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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.