Finding the Fourth Proportional to 266,215.86, 367,379.68 and 145,357.99
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Solution
The fourth proportional to 266,215.86, 367,379.68 and 145,357.99 is: 200,595.00
Step by Step Solution
- Step 1: Write the proportion equation
266,215.86 : 367,379.68 = 145,357.99 : x - Step 2: Convert to fraction form
266,215.86/367,379.68 = 145,357.99/x - Step 3: Cross multiply
266,215.86x = 367,379.68 × 145,357.99 - Step 4: Simplify right side
266,215.86x = 53,401,570,569.80 - Step 5: Solve for x
x = 53,401,570,569.80/266,215.86 - Step 6: Final answer
x = 200,595.00
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1.5x scale
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.