Finding the Fourth Proportional to 667,312.80, 1,000,961.12 and 161,878.08
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Solution
The fourth proportional to 667,312.80, 1,000,961.12 and 161,878.08 is: 242,815.16
Step by Step Solution
- Step 1: Write the proportion equation
667,312.80 : 1,000,961.12 = 161,878.08 : x - Step 2: Convert to fraction form
667,312.80/1,000,961.12 = 161,878.08/x - Step 3: Cross multiply
667,312.80x = 1,000,961.12 × 161,878.08 - Step 4: Simplify right side
667,312.80x = 162,033,664,260.25 - Step 5: Solve for x
x = 162,033,664,260.25/667,312.80 - Step 6: Final answer
x = 242,815.16
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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.