Finding the Fourth Proportional to 260,237.68, 358,989.44 and 158,294.32
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Solution
The fourth proportional to 260,237.68, 358,989.44 and 158,294.32 is: 218,361.88
Step by Step Solution
- Step 1: Write the proportion equation
260,237.68 : 358,989.44 = 158,294.32 : x - Step 2: Convert to fraction form
260,237.68/358,989.44 = 158,294.32/x - Step 3: Cross multiply
260,237.68x = 358,989.44 × 158,294.32 - Step 4: Simplify right side
260,237.68x = 56,825,989,291.98 - Step 5: Solve for x
x = 56,825,989,291.98/260,237.68 - Step 6: Final answer
x = 218,361.88
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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.