Finding the Fourth Proportional to 340,757.36, 470,248.36 and 187,801.12
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Solution
The fourth proportional to 340,757.36, 470,248.36 and 187,801.12 is: 259,167.31
Step by Step Solution
- Step 1: Write the proportion equation
340,757.36 : 470,248.36 = 187,801.12 : x - Step 2: Convert to fraction form
340,757.36/470,248.36 = 187,801.12/x - Step 3: Cross multiply
340,757.36x = 470,248.36 × 187,801.12 - Step 4: Simplify right side
340,757.36x = 88,313,168,686.16 - Step 5: Solve for x
x = 88,313,168,686.16/340,757.36 - Step 6: Final answer
x = 259,167.31
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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.