Finding the Fourth Proportional to 260,358.06, 390,396.60 and 118,125.71
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Solution
The fourth proportional to 260,358.06, 390,396.60 and 118,125.71 is: 177,124.82
Step by Step Solution
- Step 1: Write the proportion equation
260,358.06 : 390,396.60 = 118,125.71 : x - Step 2: Convert to fraction form
260,358.06/390,396.60 = 118,125.71/x - Step 3: Cross multiply
260,358.06x = 390,396.60 × 118,125.71 - Step 4: Simplify right side
260,358.06x = 46,115,873,604.60 - Step 5: Solve for x
x = 46,115,873,604.60/260,358.06 - Step 6: Final answer
x = 177,124.82
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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.