Finding the Fourth Proportional to 731,149.60, 1,096,746.84 and 198,681.88
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Solution
The fourth proportional to 731,149.60, 1,096,746.84 and 198,681.88 is: 298,028.92
Step by Step Solution
- Step 1: Write the proportion equation
731,149.60 : 1,096,746.84 = 198,681.88 : x - Step 2: Convert to fraction form
731,149.60/1,096,746.84 = 198,681.88/x - Step 3: Cross multiply
731,149.60x = 1,096,746.84 × 198,681.88 - Step 4: Simplify right side
731,149.60x = 217,903,724,055.26 - Step 5: Solve for x
x = 217,903,724,055.26/731,149.60 - Step 6: Final answer
x = 298,028.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.