Finding the Fourth Proportional to 318,398.07, 439,372.01 and 175,134.99
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Solution
The fourth proportional to 318,398.07, 439,372.01 and 175,134.99 is: 241,676.75
Step by Step Solution
- Step 1: Write the proportion equation
318,398.07 : 439,372.01 = 175,134.99 : x - Step 2: Convert to fraction form
318,398.07/439,372.01 = 175,134.99/x - Step 3: Cross multiply
318,398.07x = 439,372.01 × 175,134.99 - Step 4: Simplify right side
318,398.07x = 76,949,411,701.95 - Step 5: Solve for x
x = 76,949,411,701.95/318,398.07 - Step 6: Final answer
x = 241,676.75
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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.