Finding the Fourth Proportional to 413,519.13, 619,986.81 and 160,588.95
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Solution
The fourth proportional to 413,519.13, 619,986.81 and 160,588.95 is: 240,770.07
Step by Step Solution
- Step 1: Write the proportion equation
413,519.13 : 619,986.81 = 160,588.95 : x - Step 2: Convert to fraction form
413,519.13/619,986.81 = 160,588.95/x - Step 3: Cross multiply
413,519.13x = 619,986.81 × 160,588.95 - Step 4: Simplify right side
413,519.13x = 99,563,030,831.75 - Step 5: Solve for x
x = 99,563,030,831.75/413,519.13 - Step 6: Final answer
x = 240,770.07
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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.