Finding the Fourth Proportional to 260,466.19, 390,639.93 and 125,461.29
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Solution
The fourth proportional to 260,466.19, 390,639.93 and 125,461.29 is: 188,163.34
Step by Step Solution
- Step 1: Write the proportion equation
260,466.19 : 390,639.93 = 125,461.29 : x - Step 2: Convert to fraction form
260,466.19/390,639.93 = 125,461.29/x - Step 3: Cross multiply
260,466.19x = 390,639.93 × 125,461.29 - Step 4: Simplify right side
260,466.19x = 49,010,189,543.31 - Step 5: Solve for x
x = 49,010,189,543.31/260,466.19 - Step 6: Final answer
x = 188,163.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.