Finding the Fourth Proportional to 234,225.55, 323,219.01 and 137,415.95
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Solution
The fourth proportional to 234,225.55, 323,219.01 and 137,415.95 is: 189,626.82
Step by Step Solution
- Step 1: Write the proportion equation
234,225.55 : 323,219.01 = 137,415.95 : x - Step 2: Convert to fraction form
234,225.55/323,219.01 = 137,415.95/x - Step 3: Cross multiply
234,225.55x = 323,219.01 × 137,415.95 - Step 4: Simplify right side
234,225.55x = 44,415,447,317.21 - Step 5: Solve for x
x = 44,415,447,317.21/234,225.55 - Step 6: Final answer
x = 189,626.82
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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.