Finding the Fourth Proportional to 278,827.47, 418,006.08 and 120,937.05
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Solution
The fourth proportional to 278,827.47, 418,006.08 and 120,937.05 is: 181,303.59
Step by Step Solution
- Step 1: Write the proportion equation
278,827.47 : 418,006.08 = 120,937.05 : x - Step 2: Convert to fraction form
278,827.47/418,006.08 = 120,937.05/x - Step 3: Cross multiply
278,827.47x = 418,006.08 × 120,937.05 - Step 4: Simplify right side
278,827.47x = 50,552,422,197.26 - Step 5: Solve for x
x = 50,552,422,197.26/278,827.47 - Step 6: Final answer
x = 181,303.59
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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.