Finding the Fourth Proportional to 290,228.08, 435,079.32 and 103,195.84
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Solution
The fourth proportional to 290,228.08, 435,079.32 and 103,195.84 is: 154,700.32
Step by Step Solution
- Step 1: Write the proportion equation
290,228.08 : 435,079.32 = 103,195.84 : x - Step 2: Convert to fraction form
290,228.08/435,079.32 = 103,195.84/x - Step 3: Cross multiply
290,228.08x = 435,079.32 × 103,195.84 - Step 4: Simplify right side
290,228.08x = 44,898,375,894.03 - Step 5: Solve for x
x = 44,898,375,894.03/290,228.08 - Step 6: Final answer
x = 154,700.32
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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.