Finding the Fourth Proportional to 211,341.99, 317,117.19 and 99,002.79
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Solution
The fourth proportional to 211,341.99, 317,117.19 and 99,002.79 is: 148,553.00
Step by Step Solution
- Step 1: Write the proportion equation
211,341.99 : 317,117.19 = 99,002.79 : x - Step 2: Convert to fraction form
211,341.99/317,117.19 = 99,002.79/x - Step 3: Cross multiply
211,341.99x = 317,117.19 × 99,002.79 - Step 4: Simplify right side
211,341.99x = 31,395,486,938.22 - Step 5: Solve for x
x = 31,395,486,938.22/211,341.99 - Step 6: Final answer
x = 148,553.00
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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.