Finding the Fourth Proportional to 266,218.16, 367,395.95 and 145,370.67
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Solution
The fourth proportional to 266,218.16, 367,395.95 and 145,370.67 is: 200,619.66
Step by Step Solution
- Step 1: Write the proportion equation
266,218.16 : 367,395.95 = 145,370.67 : x - Step 2: Convert to fraction form
266,218.16/367,395.95 = 145,370.67/x - Step 3: Cross multiply
266,218.16x = 367,395.95 × 145,370.67 - Step 4: Simplify right side
266,218.16x = 53,408,594,679.93 - Step 5: Solve for x
x = 53,408,594,679.93/266,218.16 - Step 6: Final answer
x = 200,619.66
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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.