Finding the Fourth Proportional to 307,121.14, 423,808.52 and 169,294.02
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Solution
The fourth proportional to 307,121.14, 423,808.52 and 169,294.02 is: 233,615.47
Step by Step Solution
- Step 1: Write the proportion equation
307,121.14 : 423,808.52 = 169,294.02 : x - Step 2: Convert to fraction form
307,121.14/423,808.52 = 169,294.02/x - Step 3: Cross multiply
307,121.14x = 423,808.52 × 169,294.02 - Step 4: Simplify right side
307,121.14x = 71,748,248,061.05 - Step 5: Solve for x
x = 71,748,248,061.05/307,121.14 - Step 6: Final answer
x = 233,615.47
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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.