Finding the Fourth Proportional to 352,484.28, 486,267.18 and 245,309.88
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Solution
The fourth proportional to 352,484.28, 486,267.18 and 245,309.88 is: 338,415.50
Step by Step Solution
- Step 1: Write the proportion equation
352,484.28 : 486,267.18 = 245,309.88 : x - Step 2: Convert to fraction form
352,484.28/486,267.18 = 245,309.88/x - Step 3: Cross multiply
352,484.28x = 486,267.18 × 245,309.88 - Step 4: Simplify right side
352,484.28x = 119,286,143,573.74 - Step 5: Solve for x
x = 119,286,143,573.74/352,484.28 - Step 6: Final answer
x = 338,415.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.