Finding the Fourth Proportional to 260,175.36, 390,321.36 and 108,374.88
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Solution
The fourth proportional to 260,175.36, 390,321.36 and 108,374.88 is: 162,586.61
Step by Step Solution
- Step 1: Write the proportion equation
260,175.36 : 390,321.36 = 108,374.88 : x - Step 2: Convert to fraction form
260,175.36/390,321.36 = 108,374.88/x - Step 3: Cross multiply
260,175.36x = 390,321.36 × 108,374.88 - Step 4: Simplify right side
260,175.36x = 42,301,030,551.44 - Step 5: Solve for x
x = 42,301,030,551.44/260,175.36 - Step 6: Final answer
x = 162,586.61
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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.