Finding the Fourth Proportional to 323,817.90, 485,763.30 and 99,176.55
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Solution
The fourth proportional to 323,817.90, 485,763.30 and 99,176.55 is: 148,775.99
Step by Step Solution
- Step 1: Write the proportion equation
323,817.90 : 485,763.30 = 99,176.55 : x - Step 2: Convert to fraction form
323,817.90/485,763.30 = 99,176.55/x - Step 3: Cross multiply
323,817.90x = 485,763.30 × 99,176.55 - Step 4: Simplify right side
323,817.90x = 48,176,328,210.62 - Step 5: Solve for x
x = 48,176,328,210.62/323,817.90 - Step 6: Final answer
x = 148,775.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.