Finding the Fourth Proportional to 307,122.14, 423,809.90 and 169,295.02
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Solution
The fourth proportional to 307,122.14, 423,809.90 and 169,295.02 is: 233,616.85
Step by Step Solution
- Step 1: Write the proportion equation
307,122.14 : 423,809.90 = 169,295.02 : x - Step 2: Convert to fraction form
307,122.14/423,809.90 = 169,295.02/x - Step 3: Cross multiply
307,122.14x = 423,809.90 × 169,295.02 - Step 4: Simplify right side
307,122.14x = 71,748,905,496.70 - Step 5: Solve for x
x = 71,748,905,496.70/307,122.14 - Step 6: Final answer
x = 233,616.85
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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.