Finding the Fourth Proportional to 243,594.22, 336,154.09 and 136,176.88
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Solution
The fourth proportional to 243,594.22, 336,154.09 and 136,176.88 is: 187,920.77
Step by Step Solution
- Step 1: Write the proportion equation
243,594.22 : 336,154.09 = 136,176.88 : x - Step 2: Convert to fraction form
243,594.22/336,154.09 = 136,176.88/x - Step 3: Cross multiply
243,594.22x = 336,154.09 × 136,176.88 - Step 4: Simplify right side
243,594.22x = 45,776,413,154.23 - Step 5: Solve for x
x = 45,776,413,154.23/243,594.22 - Step 6: Final answer
x = 187,920.77
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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.