Finding the Fourth Proportional to 265,421.80, 398,132.70 and 239,177.80
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Solution
The fourth proportional to 265,421.80, 398,132.70 and 239,177.80 is: 358,766.70
Step by Step Solution
- Step 1: Write the proportion equation
265,421.80 : 398,132.70 = 239,177.80 : x - Step 2: Convert to fraction form
265,421.80/398,132.70 = 239,177.80/x - Step 3: Cross multiply
265,421.80x = 398,132.70 × 239,177.80 - Step 4: Simplify right side
265,421.80x = 95,224,503,294.06 - Step 5: Solve for x
x = 95,224,503,294.06/265,421.80 - Step 6: Final answer
x = 358,766.70
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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.