Finding the Fourth Proportional to 376,534.08, 519,619.86 and 215,379.18
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Solution
The fourth proportional to 376,534.08, 519,619.86 and 215,379.18 is: 297,224.89
Step by Step Solution
- Step 1: Write the proportion equation
376,534.08 : 519,619.86 = 215,379.18 : x - Step 2: Convert to fraction form
376,534.08/519,619.86 = 215,379.18/x - Step 3: Cross multiply
376,534.08x = 519,619.86 × 215,379.18 - Step 4: Simplify right side
376,534.08x = 111,915,299,358.52 - Step 5: Solve for x
x = 111,915,299,358.52/376,534.08 - Step 6: Final answer
x = 297,224.89
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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.