Finding the Fourth Proportional to 927,155.16, 1,390,507.97 and 253,239.62
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Solution
The fourth proportional to 927,155.16, 1,390,507.97 and 253,239.62 is: 379,798.03
Step by Step Solution
- Step 1: Write the proportion equation
927,155.16 : 1,390,507.97 = 253,239.62 : x - Step 2: Convert to fraction form
927,155.16/1,390,507.97 = 253,239.62/x - Step 3: Cross multiply
927,155.16x = 1,390,507.97 × 253,239.62 - Step 4: Simplify right side
927,155.16x = 352,131,701,711.03 - Step 5: Solve for x
x = 352,131,701,711.03/927,155.16 - Step 6: Final answer
x = 379,798.03
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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.