Finding the Fourth Proportional to 325,119.84, 487,696.08 and 103,521.12
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Solution
The fourth proportional to 325,119.84, 487,696.08 and 103,521.12 is: 155,286.88
Step by Step Solution
- Step 1: Write the proportion equation
325,119.84 : 487,696.08 = 103,521.12 : x - Step 2: Convert to fraction form
325,119.84/487,696.08 = 103,521.12/x - Step 3: Cross multiply
325,119.84x = 487,696.08 × 103,521.12 - Step 4: Simplify right side
325,119.84x = 50,486,844,421.21 - Step 5: Solve for x
x = 50,486,844,421.21/325,119.84 - Step 6: Final answer
x = 155,286.88
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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.