Finding the Fourth Proportional to 260,323.22, 390,484.84 and 135,907.22
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Solution
The fourth proportional to 260,323.22, 390,484.84 and 135,907.22 is: 203,860.84
Step by Step Solution
- Step 1: Write the proportion equation
260,323.22 : 390,484.84 = 135,907.22 : x - Step 2: Convert to fraction form
260,323.22/390,484.84 = 135,907.22/x - Step 3: Cross multiply
260,323.22x = 390,484.84 × 135,907.22 - Step 4: Simplify right side
260,323.22x = 53,069,709,056.54 - Step 5: Solve for x
x = 53,069,709,056.54/260,323.22 - Step 6: Final answer
x = 203,860.84
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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.