Finding the Fourth Proportional to 639,197.44, 958,547.08 and 239,620.26
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Solution
The fourth proportional to 639,197.44, 958,547.08 and 239,620.26 is: 359,337.02
Step by Step Solution
- Step 1: Write the proportion equation
639,197.44 : 958,547.08 = 239,620.26 : x - Step 2: Convert to fraction form
639,197.44/958,547.08 = 239,620.26/x - Step 3: Cross multiply
639,197.44x = 958,547.08 × 239,620.26 - Step 4: Simplify right side
639,197.44x = 229,687,300,531.84 - Step 5: Solve for x
x = 229,687,300,531.84/639,197.44 - Step 6: Final answer
x = 359,337.02
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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.