Finding the Fourth Proportional to 259,395.44, 357,904.76 and 157,418.63
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Solution
The fourth proportional to 259,395.44, 357,904.76 and 157,418.63 is: 217,200.72
Step by Step Solution
- Step 1: Write the proportion equation
259,395.44 : 357,904.76 = 157,418.63 : x - Step 2: Convert to fraction form
259,395.44/357,904.76 = 157,418.63/x - Step 3: Cross multiply
259,395.44x = 357,904.76 × 157,418.63 - Step 4: Simplify right side
259,395.44x = 56,340,875,593.70 - Step 5: Solve for x
x = 56,340,875,593.70/259,395.44 - Step 6: Final answer
x = 217,200.72
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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.