Finding the Fourth Proportional to 340,344.32, 469,686.47 and 187,389.99
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Solution
The fourth proportional to 340,344.32, 469,686.47 and 187,389.99 is: 258,604.41
Step by Step Solution
- Step 1: Write the proportion equation
340,344.32 : 469,686.47 = 187,389.99 : x - Step 2: Convert to fraction form
340,344.32/469,686.47 = 187,389.99/x - Step 3: Cross multiply
340,344.32x = 469,686.47 × 187,389.99 - Step 4: Simplify right side
340,344.32x = 88,014,541,979.49 - Step 5: Solve for x
x = 88,014,541,979.49/340,344.32 - Step 6: Final answer
x = 258,604.41
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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.