Finding the Fourth Proportional to 411,330.14, 616,956.33 and 130,797.98
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Solution
The fourth proportional to 411,330.14, 616,956.33 and 130,797.98 is: 196,184.61
Step by Step Solution
- Step 1: Write the proportion equation
411,330.14 : 616,956.33 = 130,797.98 : x - Step 2: Convert to fraction form
411,330.14/616,956.33 = 130,797.98/x - Step 3: Cross multiply
411,330.14x = 616,956.33 × 130,797.98 - Step 4: Simplify right side
411,330.14x = 80,696,641,712.21 - Step 5: Solve for x
x = 80,696,641,712.21/411,330.14 - Step 6: Final answer
x = 196,184.61
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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.