Finding the Fourth Proportional to 302,494.80, 453,742.20 and 297,829.20
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Solution
The fourth proportional to 302,494.80, 453,742.20 and 297,829.20 is: 446,743.80
Step by Step Solution
- Step 1: Write the proportion equation
302,494.80 : 453,742.20 = 297,829.20 : x - Step 2: Convert to fraction form
302,494.80/453,742.20 = 297,829.20/x - Step 3: Cross multiply
302,494.80x = 453,742.20 × 297,829.20 - Step 4: Simplify right side
302,494.80x = 135,137,676,432.24 - Step 5: Solve for x
x = 135,137,676,432.24/302,494.80 - Step 6: Final answer
x = 446,743.80
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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.