Finding the Fourth Proportional to 286,357.34, 396,029.45 and 250,485.08
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Solution
The fourth proportional to 286,357.34, 396,029.45 and 250,485.08 is: 346,418.45
Step by Step Solution
- Step 1: Write the proportion equation
286,357.34 : 396,029.45 = 250,485.08 : x - Step 2: Convert to fraction form
286,357.34/396,029.45 = 250,485.08/x - Step 3: Cross multiply
286,357.34x = 396,029.45 × 250,485.08 - Step 4: Simplify right side
286,357.34x = 99,199,467,111.67 - Step 5: Solve for x
x = 99,199,467,111.67/286,357.34 - Step 6: Final answer
x = 346,418.45
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1.5x scale
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.