Finding the Fourth Proportional to 260,318.14, 390,135.93 and 148,049.98
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Solution
The fourth proportional to 260,318.14, 390,135.93 and 148,049.98 is: 221,880.87
Step by Step Solution
- Step 1: Write the proportion equation
260,318.14 : 390,135.93 = 148,049.98 : x - Step 2: Convert to fraction form
260,318.14/390,135.93 = 148,049.98/x - Step 3: Cross multiply
260,318.14x = 390,135.93 × 148,049.98 - Step 4: Simplify right side
260,318.14x = 57,759,616,633.78 - Step 5: Solve for x
x = 57,759,616,633.78/260,318.14 - Step 6: Final answer
x = 221,880.87
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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.