Finding the Fourth Proportional to 472,915.99, 709,354.12 and 220,109.52
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Solution
The fourth proportional to 472,915.99, 709,354.12 and 220,109.52 is: 330,155.03
Step by Step Solution
- Step 1: Write the proportion equation
472,915.99 : 709,354.12 = 220,109.52 : x - Step 2: Convert to fraction form
472,915.99/709,354.12 = 220,109.52/x - Step 3: Cross multiply
472,915.99x = 709,354.12 × 220,109.52 - Step 4: Simplify right side
472,915.99x = 156,135,594,863.22 - Step 5: Solve for x
x = 156,135,594,863.22/472,915.99 - Step 6: Final answer
x = 330,155.03
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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.