Finding the Fourth Proportional to 344,005.12, 474,726.72 and 193,102.40
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Solution
The fourth proportional to 344,005.12, 474,726.72 and 193,102.40 is: 266,481.12
Step by Step Solution
- Step 1: Write the proportion equation
344,005.12 : 474,726.72 = 193,102.40 : x - Step 2: Convert to fraction form
344,005.12/474,726.72 = 193,102.40/x - Step 3: Cross multiply
344,005.12x = 474,726.72 × 193,102.40 - Step 4: Simplify right side
344,005.12x = 91,670,868,976.13 - Step 5: Solve for x
x = 91,670,868,976.13/344,005.12 - Step 6: Final answer
x = 266,481.12
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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.