Finding the Fourth Proportional to 266,774.78, 368,160.99 and 153,633.98
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Solution
The fourth proportional to 266,774.78, 368,160.99 and 153,633.98 is: 212,021.68
Step by Step Solution
- Step 1: Write the proportion equation
266,774.78 : 368,160.99 = 153,633.98 : x - Step 2: Convert to fraction form
266,774.78/368,160.99 = 153,633.98/x - Step 3: Cross multiply
266,774.78x = 368,160.99 × 153,633.98 - Step 4: Simplify right side
266,774.78x = 56,562,038,174.44 - Step 5: Solve for x
x = 56,562,038,174.44/266,774.78 - Step 6: Final answer
x = 212,021.68
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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.