Finding the Fourth Proportional to 354,318.68, 488,938.70 and 201,335.63
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Solution
The fourth proportional to 354,318.68, 488,938.70 and 201,335.63 is: 277,831.20
Step by Step Solution
- Step 1: Write the proportion equation
354,318.68 : 488,938.70 = 201,335.63 : x - Step 2: Convert to fraction form
354,318.68/488,938.70 = 201,335.63/x - Step 3: Cross multiply
354,318.68x = 488,938.70 × 201,335.63 - Step 4: Simplify right side
354,318.68x = 98,440,781,195.88 - Step 5: Solve for x
x = 98,440,781,195.88/354,318.68 - Step 6: Final answer
x = 277,831.20
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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.