Finding the Fourth Proportional to 354,465.09, 489,159.58 and 201,503.29
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Solution
The fourth proportional to 354,465.09, 489,159.58 and 201,503.29 is: 278,073.26
Step by Step Solution
- Step 1: Write the proportion equation
354,465.09 : 489,159.58 = 201,503.29 : x - Step 2: Convert to fraction form
354,465.09/489,159.58 = 201,503.29/x - Step 3: Cross multiply
354,465.09x = 489,159.58 × 201,503.29 - Step 4: Simplify right side
354,465.09x = 98,567,264,705.02 - Step 5: Solve for x
x = 98,567,264,705.02/354,465.09 - Step 6: Final answer
x = 278,073.26
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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.