Finding the Fourth Proportional to 456,958.84, 630,603.12 and 255,754.84
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Solution
The fourth proportional to 456,958.84, 630,603.12 and 255,754.84 is: 352,941.63
Step by Step Solution
- Step 1: Write the proportion equation
456,958.84 : 630,603.12 = 255,754.84 : x - Step 2: Convert to fraction form
456,958.84/630,603.12 = 255,754.84/x - Step 3: Cross multiply
456,958.84x = 630,603.12 × 255,754.84 - Step 4: Simplify right side
456,958.84x = 161,279,800,059.10 - Step 5: Solve for x
x = 161,279,800,059.10/456,958.84 - Step 6: Final answer
x = 352,941.63
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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.