Finding the Fourth Proportional to 199,342.19, 299,013.28 and 136,823.15
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Solution
The fourth proportional to 199,342.19, 299,013.28 and 136,823.15 is: 205,234.72
Step by Step Solution
- Step 1: Write the proportion equation
199,342.19 : 299,013.28 = 136,823.15 : x - Step 2: Convert to fraction form
199,342.19/299,013.28 = 136,823.15/x - Step 3: Cross multiply
199,342.19x = 299,013.28 × 136,823.15 - Step 4: Simplify right side
199,342.19x = 40,911,937,024.31 - Step 5: Solve for x
x = 40,911,937,024.31/199,342.19 - Step 6: Final answer
x = 205,234.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.