Finding the Fourth Proportional to 477,489.60, 716,027.04 and 144,987.84
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Solution
The fourth proportional to 477,489.60, 716,027.04 and 144,987.84 is: 217,418.80
Step by Step Solution
- Step 1: Write the proportion equation
477,489.60 : 716,027.04 = 144,987.84 : x - Step 2: Convert to fraction form
477,489.60/716,027.04 = 144,987.84/x - Step 3: Cross multiply
477,489.60x = 716,027.04 × 144,987.84 - Step 4: Simplify right side
477,489.60x = 103,815,213,911.19 - Step 5: Solve for x
x = 103,815,213,911.19/477,489.60 - Step 6: Final answer
x = 217,418.80
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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.