Finding the Fourth Proportional to 243,620.16, 336,202.74 and 136,202.28
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Solution
The fourth proportional to 243,620.16, 336,202.74 and 136,202.28 is: 187,963.01
Step by Step Solution
- Step 1: Write the proportion equation
243,620.16 : 336,202.74 = 136,202.28 : x - Step 2: Convert to fraction form
243,620.16/336,202.74 = 136,202.28/x - Step 3: Cross multiply
243,620.16x = 336,202.74 × 136,202.28 - Step 4: Simplify right side
243,620.16x = 45,791,579,730.25 - Step 5: Solve for x
x = 45,791,579,730.25/243,620.16 - Step 6: Final answer
x = 187,963.01
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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.