Finding the Fourth Proportional to 422,956.08, 583,114.14 and 336,029.31
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Solution
The fourth proportional to 422,956.08, 583,114.14 and 336,029.31 is: 463,271.37
Step by Step Solution
- Step 1: Write the proportion equation
422,956.08 : 583,114.14 = 336,029.31 : x - Step 2: Convert to fraction form
422,956.08/583,114.14 = 336,029.31/x - Step 3: Cross multiply
422,956.08x = 583,114.14 × 336,029.31 - Step 4: Simplify right side
422,956.08x = 195,943,442,115.44 - Step 5: Solve for x
x = 195,943,442,115.44/422,956.08 - Step 6: Final answer
x = 463,271.37
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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.