Finding the Fourth Proportional to 266,602.21, 367,911.36 and 153,425.05
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Solution
The fourth proportional to 266,602.21, 367,911.36 and 153,425.05 is: 211,726.74
Step by Step Solution
- Step 1: Write the proportion equation
266,602.21 : 367,911.36 = 153,425.05 : x - Step 2: Convert to fraction form
266,602.21/367,911.36 = 153,425.05/x - Step 3: Cross multiply
266,602.21x = 367,911.36 × 153,425.05 - Step 4: Simplify right side
266,602.21x = 56,446,816,196.89 - Step 5: Solve for x
x = 56,446,816,196.89/266,602.21 - Step 6: Final answer
x = 211,726.74
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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.