Finding the Fourth Proportional to 323,841.18, 485,794.14 and 99,199.02
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Solution
The fourth proportional to 323,841.18, 485,794.14 and 99,199.02 is: 148,808.45
Step by Step Solution
- Step 1: Write the proportion equation
323,841.18 : 485,794.14 = 99,199.02 : x - Step 2: Convert to fraction form
323,841.18/485,794.14 = 99,199.02/x - Step 3: Cross multiply
323,841.18x = 485,794.14 × 99,199.02 - Step 4: Simplify right side
323,841.18x = 48,190,302,609.74 - Step 5: Solve for x
x = 48,190,302,609.74/323,841.18 - Step 6: Final answer
x = 148,808.45
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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.