Finding the Fourth Proportional to 493,346.58, 680,820.36 and 266,992.08
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Solution
The fourth proportional to 493,346.58, 680,820.36 and 266,992.08 is: 368,450.20
Step by Step Solution
- Step 1: Write the proportion equation
493,346.58 : 680,820.36 = 266,992.08 : x - Step 2: Convert to fraction form
493,346.58/680,820.36 = 266,992.08/x - Step 3: Cross multiply
493,346.58x = 680,820.36 × 266,992.08 - Step 4: Simplify right side
493,346.58x = 181,773,644,022.75 - Step 5: Solve for x
x = 181,773,644,022.75/493,346.58 - Step 6: Final answer
x = 368,450.20
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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.