Finding the Fourth Proportional to 458,319.09, 632,470.83 and 254,358.17
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Solution
The fourth proportional to 458,319.09, 632,470.83 and 254,358.17 is: 351,008.99
Step by Step Solution
- Step 1: Write the proportion equation
458,319.09 : 632,470.83 = 254,358.17 : x - Step 2: Convert to fraction form
458,319.09/632,470.83 = 254,358.17/x - Step 3: Cross multiply
458,319.09x = 632,470.83 × 254,358.17 - Step 4: Simplify right side
458,319.09x = 160,874,122,897.18 - Step 5: Solve for x
x = 160,874,122,897.18/458,319.09 - Step 6: Final answer
x = 351,008.99
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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.