Finding the Fourth Proportional to 360,170.95, 539,880.99 and 135,376.51
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Solution
The fourth proportional to 360,170.95, 539,880.99 and 135,376.51 is: 202,923.65
Step by Step Solution
- Step 1: Write the proportion equation
360,170.95 : 539,880.99 = 135,376.51 : x - Step 2: Convert to fraction form
360,170.95/539,880.99 = 135,376.51/x - Step 3: Cross multiply
360,170.95x = 539,880.99 × 135,376.51 - Step 4: Simplify right side
360,170.95x = 73,087,204,241.54 - Step 5: Solve for x
x = 73,087,204,241.54/360,170.95 - Step 6: Final answer
x = 202,923.65
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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.