Finding the Fourth Proportional to 372,599.12, 514,257.64 and 211,469.28
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Solution
The fourth proportional to 372,599.12, 514,257.64 and 211,469.28 is: 291,867.82
Step by Step Solution
- Step 1: Write the proportion equation
372,599.12 : 514,257.64 = 211,469.28 : x - Step 2: Convert to fraction form
372,599.12/514,257.64 = 211,469.28/x - Step 3: Cross multiply
372,599.12x = 514,257.64 × 211,469.28 - Step 4: Simplify right side
372,599.12x = 108,749,692,865.30 - Step 5: Solve for x
x = 108,749,692,865.30/372,599.12 - Step 6: Final answer
x = 291,867.82
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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.