Finding the Fourth Proportional to 439,862.56, 659,343.12 and 173,515.12
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Solution
The fourth proportional to 439,862.56, 659,343.12 and 173,515.12 is: 260,094.88
Step by Step Solution
- Step 1: Write the proportion equation
439,862.56 : 659,343.12 = 173,515.12 : x - Step 2: Convert to fraction form
439,862.56/659,343.12 = 173,515.12/x - Step 3: Cross multiply
439,862.56x = 659,343.12 × 173,515.12 - Step 4: Simplify right side
439,862.56x = 114,406,000,587.97 - Step 5: Solve for x
x = 114,406,000,587.97/439,862.56 - Step 6: Final answer
x = 260,094.88
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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.