Finding the Fourth Proportional to 674,257.02, 930,395.43 and 372,433.02
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Solution
The fourth proportional to 674,257.02, 930,395.43 and 372,433.02 is: 513,913.79
Step by Step Solution
- Step 1: Write the proportion equation
674,257.02 : 930,395.43 = 372,433.02 : x - Step 2: Convert to fraction form
674,257.02/930,395.43 = 372,433.02/x - Step 3: Cross multiply
674,257.02x = 930,395.43 × 372,433.02 - Step 4: Simplify right side
674,257.02x = 346,509,979,789.10 - Step 5: Solve for x
x = 346,509,979,789.10/674,257.02 - Step 6: Final answer
x = 513,913.79
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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.