Finding the Fourth Proportional to 296,874.78, 445,276.62 and 83,658.68
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Solution
The fourth proportional to 296,874.78, 445,276.62 and 83,658.68 is: 125,478.00
Step by Step Solution
- Step 1: Write the proportion equation
296,874.78 : 445,276.62 = 83,658.68 : x - Step 2: Convert to fraction form
296,874.78/445,276.62 = 83,658.68/x - Step 3: Cross multiply
296,874.78x = 445,276.62 × 83,658.68 - Step 4: Simplify right side
296,874.78x = 37,251,254,264.06 - Step 5: Solve for x
x = 37,251,254,264.06/296,874.78 - Step 6: Final answer
x = 125,478.00
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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.