Finding the Fourth Proportional to 514,121.94, 771,215.58 and 159,106.14
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Solution
The fourth proportional to 514,121.94, 771,215.58 and 159,106.14 is: 238,669.32
Step by Step Solution
- Step 1: Write the proportion equation
514,121.94 : 771,215.58 = 159,106.14 : x - Step 2: Convert to fraction form
514,121.94/771,215.58 = 159,106.14/x - Step 3: Cross multiply
514,121.94x = 771,215.58 × 159,106.14 - Step 4: Simplify right side
514,121.94x = 122,705,134,041.66 - Step 5: Solve for x
x = 122,705,134,041.66/514,121.94 - Step 6: Final answer
x = 238,669.32
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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.