Finding the Fourth Proportional to 311,103.12, 465,930.90 and 302,587.68
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Solution
The fourth proportional to 311,103.12, 465,930.90 and 302,587.68 is: 453,177.55
Step by Step Solution
- Step 1: Write the proportion equation
311,103.12 : 465,930.90 = 302,587.68 : x - Step 2: Convert to fraction form
311,103.12/465,930.90 = 302,587.68/x - Step 3: Cross multiply
311,103.12x = 465,930.90 × 302,587.68 - Step 4: Simplify right side
311,103.12x = 140,984,950,071.31 - Step 5: Solve for x
x = 140,984,950,071.31/311,103.12 - Step 6: Final answer
x = 453,177.55
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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.