Finding the Fourth Proportional to 155,539.78, 214,711.11 and 104,582.08
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Solution
The fourth proportional to 155,539.78, 214,711.11 and 104,582.08 is: 144,367.79
Step by Step Solution
- Step 1: Write the proportion equation
155,539.78 : 214,711.11 = 104,582.08 : x - Step 2: Convert to fraction form
155,539.78/214,711.11 = 104,582.08/x - Step 3: Cross multiply
155,539.78x = 214,711.11 × 104,582.08 - Step 4: Simplify right side
155,539.78x = 22,454,934,482.91 - Step 5: Solve for x
x = 22,454,934,482.91/155,539.78 - Step 6: Final answer
x = 144,367.79
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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.