Finding the Fourth Proportional to 328,958.58, 493,040.26 and 160,226.06
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Solution
The fourth proportional to 328,958.58, 493,040.26 and 160,226.06 is: 240,145.43
Step by Step Solution
- Step 1: Write the proportion equation
328,958.58 : 493,040.26 = 160,226.06 : x - Step 2: Convert to fraction form
328,958.58/493,040.26 = 160,226.06/x - Step 3: Cross multiply
328,958.58x = 493,040.26 × 160,226.06 - Step 4: Simplify right side
328,958.58x = 78,997,898,281.18 - Step 5: Solve for x
x = 78,997,898,281.18/328,958.58 - Step 6: Final answer
x = 240,145.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.