Finding the Fourth Proportional to 472,885.58, 709,435.29 and 157,354.94
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Solution
The fourth proportional to 472,885.58, 709,435.29 and 157,354.94 is: 236,067.99
Step by Step Solution
- Step 1: Write the proportion equation
472,885.58 : 709,435.29 = 157,354.94 : x - Step 2: Convert to fraction form
472,885.58/709,435.29 = 157,354.94/x - Step 3: Cross multiply
472,885.58x = 709,435.29 × 157,354.94 - Step 4: Simplify right side
472,885.58x = 111,633,147,491.83 - Step 5: Solve for x
x = 111,633,147,491.83/472,885.58 - Step 6: Final answer
x = 236,067.99
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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.