Finding the Fourth Proportional to 340,299.47, 469,604.99 and 187,336.42
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Solution
The fourth proportional to 340,299.47, 469,604.99 and 187,336.42 is: 258,519.70
Step by Step Solution
- Step 1: Write the proportion equation
340,299.47 : 469,604.99 = 187,336.42 : x - Step 2: Convert to fraction form
340,299.47/469,604.99 = 187,336.42/x - Step 3: Cross multiply
340,299.47x = 469,604.99 × 187,336.42 - Step 4: Simplify right side
340,299.47x = 87,974,116,935.06 - Step 5: Solve for x
x = 87,974,116,935.06/340,299.47 - Step 6: Final answer
x = 258,519.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.