Finding the Fourth Proportional to 203,113.08, 280,276.50 and 121,425.18
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Solution
The fourth proportional to 203,113.08, 280,276.50 and 121,425.18 is: 167,555.06
Step by Step Solution
- Step 1: Write the proportion equation
203,113.08 : 280,276.50 = 121,425.18 : x - Step 2: Convert to fraction form
203,113.08/280,276.50 = 121,425.18/x - Step 3: Cross multiply
203,113.08x = 280,276.50 × 121,425.18 - Step 4: Simplify right side
203,113.08x = 34,032,624,462.27 - Step 5: Solve for x
x = 34,032,624,462.27/203,113.08 - Step 6: Final answer
x = 167,555.06
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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.