Finding the Fourth Proportional to 278,980.24, 418,312.76 and 255,176.10
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Solution
The fourth proportional to 278,980.24, 418,312.76 and 255,176.10 is: 382,620.00
Step by Step Solution
- Step 1: Write the proportion equation
278,980.24 : 418,312.76 = 255,176.10 : x - Step 2: Convert to fraction form
278,980.24/418,312.76 = 255,176.10/x - Step 3: Cross multiply
278,980.24x = 418,312.76 × 255,176.10 - Step 4: Simplify right side
278,980.24x = 106,743,418,677.04 - Step 5: Solve for x
x = 106,743,418,677.04/278,980.24 - Step 6: Final answer
x = 382,620.00
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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.