Finding the Fourth Proportional to 259,798.14, 358,389.36 and 157,796.46
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Solution
The fourth proportional to 259,798.14, 358,389.36 and 157,796.46 is: 217,678.90
Step by Step Solution
- Step 1: Write the proportion equation
259,798.14 : 358,389.36 = 157,796.46 : x - Step 2: Convert to fraction form
259,798.14/358,389.36 = 157,796.46/x - Step 3: Cross multiply
259,798.14x = 358,389.36 × 157,796.46 - Step 4: Simplify right side
259,798.14x = 56,552,572,309.67 - Step 5: Solve for x
x = 56,552,572,309.67/259,798.14 - Step 6: Final answer
x = 217,678.90
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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.