Finding the Fourth Proportional to 374,785.79, 517,197.89 and 229,568.99
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Solution
The fourth proportional to 374,785.79, 517,197.89 and 229,568.99 is: 316,801.22
Step by Step Solution
- Step 1: Write the proportion equation
374,785.79 : 517,197.89 = 229,568.99 : x - Step 2: Convert to fraction form
374,785.79/517,197.89 = 229,568.99/x - Step 3: Cross multiply
374,785.79x = 517,197.89 × 229,568.99 - Step 4: Simplify right side
374,785.79x = 118,732,595,225.36 - Step 5: Solve for x
x = 118,732,595,225.36/374,785.79 - Step 6: Final answer
x = 316,801.22
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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.