Finding the Fourth Proportional to 310,221.24, 464,455.44 and 252,955.68
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Solution
The fourth proportional to 310,221.24, 464,455.44 and 252,955.68 is: 378,718.88
Step by Step Solution
- Step 1: Write the proportion equation
310,221.24 : 464,455.44 = 252,955.68 : x - Step 2: Convert to fraction form
310,221.24/464,455.44 = 252,955.68/x - Step 3: Cross multiply
310,221.24x = 464,455.44 × 252,955.68 - Step 4: Simplify right side
310,221.24x = 117,486,641,654.90 - Step 5: Solve for x
x = 117,486,641,654.90/310,221.24 - Step 6: Final answer
x = 378,718.88
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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.