Finding the Fourth Proportional to 648,033.08, 972,079.06 and 198,721.08
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Solution
The fourth proportional to 648,033.08, 972,079.06 and 198,721.08 is: 298,090.65
Step by Step Solution
- Step 1: Write the proportion equation
648,033.08 : 972,079.06 = 198,721.08 : x - Step 2: Convert to fraction form
648,033.08/972,079.06 = 198,721.08/x - Step 3: Cross multiply
648,033.08x = 972,079.06 × 198,721.08 - Step 4: Simplify right side
648,033.08x = 193,172,600,648.59 - Step 5: Solve for x
x = 193,172,600,648.59/648,033.08 - Step 6: Final answer
x = 298,090.65
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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.