Finding the Fourth Proportional to 357,094.01, 493,020.58 and 221,272.09
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Solution
The fourth proportional to 357,094.01, 493,020.58 and 221,272.09 is: 305,498.52
Step by Step Solution
- Step 1: Write the proportion equation
357,094.01 : 493,020.58 = 221,272.09 : x - Step 2: Convert to fraction form
357,094.01/493,020.58 = 221,272.09/x - Step 3: Cross multiply
357,094.01x = 493,020.58 × 221,272.09 - Step 4: Simplify right side
357,094.01x = 109,091,690,578.15 - Step 5: Solve for x
x = 109,091,690,578.15/357,094.01 - Step 6: Final answer
x = 305,498.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.