Finding the Fourth Proportional to 354,520.08, 531,779.85 and 105,202.08
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Solution
The fourth proportional to 354,520.08, 531,779.85 and 105,202.08 is: 157,803.04
Step by Step Solution
- Step 1: Write the proportion equation
354,520.08 : 531,779.85 = 105,202.08 : x - Step 2: Convert to fraction form
354,520.08/531,779.85 = 105,202.08/x - Step 3: Cross multiply
354,520.08x = 531,779.85 × 105,202.08 - Step 4: Simplify right side
354,520.08x = 55,944,346,322.09 - Step 5: Solve for x
x = 55,944,346,322.09/354,520.08 - Step 6: Final answer
x = 157,803.04
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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.