Finding the Fourth Proportional to 354,875.60, 531,438.60 and 235,902.80
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Solution
The fourth proportional to 354,875.60, 531,438.60 and 235,902.80 is: 353,272.68
Step by Step Solution
- Step 1: Write the proportion equation
354,875.60 : 531,438.60 = 235,902.80 : x - Step 2: Convert to fraction form
354,875.60/531,438.60 = 235,902.80/x - Step 3: Cross multiply
354,875.60x = 531,438.60 × 235,902.80 - Step 4: Simplify right side
354,875.60x = 125,367,853,768.08 - Step 5: Solve for x
x = 125,367,853,768.08/354,875.60 - Step 6: Final answer
x = 353,272.68
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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.