Finding the Fourth Proportional to 446,391.60, 616,126.68 and 255,515.28
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Solution
The fourth proportional to 446,391.60, 616,126.68 and 255,515.28 is: 352,671.92
Step by Step Solution
- Step 1: Write the proportion equation
446,391.60 : 616,126.68 = 255,515.28 : x - Step 2: Convert to fraction form
446,391.60/616,126.68 = 255,515.28/x - Step 3: Cross multiply
446,391.60x = 616,126.68 × 255,515.28 - Step 4: Simplify right side
446,391.60x = 157,429,781,155.67 - Step 5: Solve for x
x = 157,429,781,155.67/446,391.60 - Step 6: Final answer
x = 352,671.92
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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.