Finding the Fourth Proportional to 368,659.24, 553,144.38 and 219,185.08
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Solution
The fourth proportional to 368,659.24, 553,144.38 and 219,185.08 is: 328,870.08
Step by Step Solution
- Step 1: Write the proportion equation
368,659.24 : 553,144.38 = 219,185.08 : x - Step 2: Convert to fraction form
368,659.24/553,144.38 = 219,185.08/x - Step 3: Cross multiply
368,659.24x = 553,144.38 × 219,185.08 - Step 4: Simplify right side
368,659.24x = 121,240,995,181.85 - Step 5: Solve for x
x = 121,240,995,181.85/368,659.24 - Step 6: Final answer
x = 328,870.08
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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.