Finding the Fourth Proportional to 648,032.08, 972,077.56 and 198,720.08
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Solution
The fourth proportional to 648,032.08, 972,077.56 and 198,720.08 is: 298,089.15
Step by Step Solution
- Step 1: Write the proportion equation
648,032.08 : 972,077.56 = 198,720.08 : x - Step 2: Convert to fraction form
648,032.08/972,077.56 = 198,720.08/x - Step 3: Cross multiply
648,032.08x = 972,077.56 × 198,720.08 - Step 4: Simplify right side
648,032.08x = 193,171,330,489.41 - Step 5: Solve for x
x = 193,171,330,489.41/648,032.08 - Step 6: Final answer
x = 298,089.15
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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.