Finding the Fourth Proportional to 266,412.74, 367,649.58 and 153,235.50
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Solution
The fourth proportional to 266,412.74, 367,649.58 and 153,235.50 is: 211,464.99
Step by Step Solution
- Step 1: Write the proportion equation
266,412.74 : 367,649.58 = 153,235.50 : x - Step 2: Convert to fraction form
266,412.74/367,649.58 = 153,235.50/x - Step 3: Cross multiply
266,412.74x = 367,649.58 × 153,235.50 - Step 4: Simplify right side
266,412.74x = 56,336,967,216.09 - Step 5: Solve for x
x = 56,336,967,216.09/266,412.74 - Step 6: Final answer
x = 211,464.99
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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.