Finding the Fourth Proportional to 438,180.08, 653,404.21 and 422,569.00
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Solution
The fourth proportional to 438,180.08, 653,404.21 and 422,569.00 is: 630,125.32
Step by Step Solution
- Step 1: Write the proportion equation
438,180.08 : 653,404.21 = 422,569.00 : x - Step 2: Convert to fraction form
438,180.08/653,404.21 = 422,569.00/x - Step 3: Cross multiply
438,180.08x = 653,404.21 × 422,569.00 - Step 4: Simplify right side
438,180.08x = 276,108,358,235.62 - Step 5: Solve for x
x = 276,108,358,235.62/438,180.08 - Step 6: Final answer
x = 630,125.32
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.