Finding the Fourth Proportional to 1,044,106.20, 1,566,158.58 and 256,138.20
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Solution
The fourth proportional to 1,044,106.20, 1,566,158.58 and 256,138.20 is: 384,207.12
Step by Step Solution
- Step 1: Write the proportion equation
1,044,106.20 : 1,566,158.58 = 256,138.20 : x - Step 2: Convert to fraction form
1,044,106.20/1,566,158.58 = 256,138.20/x - Step 3: Cross multiply
1,044,106.20x = 1,566,158.58 × 256,138.20 - Step 4: Simplify right side
1,044,106.20x = 401,153,039,595.76 - Step 5: Solve for x
x = 401,153,039,595.76/1,044,106.20 - Step 6: Final answer
x = 384,207.12
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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.