Finding the Fourth Proportional to 458,319.60, 632,471.52 and 254,358.68
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Solution
The fourth proportional to 458,319.60, 632,471.52 and 254,358.68 is: 351,009.68
Step by Step Solution
- Step 1: Write the proportion equation
458,319.60 : 632,471.52 = 254,358.68 : x - Step 2: Convert to fraction form
458,319.60/632,471.52 = 254,358.68/x - Step 3: Cross multiply
458,319.60x = 632,471.52 × 254,358.68 - Step 4: Simplify right side
458,319.60x = 160,874,617,802.44 - Step 5: Solve for x
x = 160,874,617,802.44/458,319.60 - Step 6: Final answer
x = 351,009.68
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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.