Finding the Fourth Proportional to 477,135.04, 715,790.16 and 157,305.76
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Solution
The fourth proportional to 477,135.04, 715,790.16 and 157,305.76 is: 235,987.52
Step by Step Solution
- Step 1: Write the proportion equation
477,135.04 : 715,790.16 = 157,305.76 : x - Step 2: Convert to fraction form
477,135.04/715,790.16 = 157,305.76/x - Step 3: Cross multiply
477,135.04x = 715,790.16 × 157,305.76 - Step 4: Simplify right side
477,135.04x = 112,597,915,119.32 - Step 5: Solve for x
x = 112,597,915,119.32/477,135.04 - Step 6: Final answer
x = 235,987.52
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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.