Finding the Fourth Proportional to 106,437.88, 159,681.84 and 36,317.44
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Solution
The fourth proportional to 106,437.88, 159,681.84 and 36,317.44 is: 54,484.70
Step by Step Solution
- Step 1: Write the proportion equation
106,437.88 : 159,681.84 = 36,317.44 : x - Step 2: Convert to fraction form
106,437.88/159,681.84 = 36,317.44/x - Step 3: Cross multiply
106,437.88x = 159,681.84 × 36,317.44 - Step 4: Simplify right side
106,437.88x = 5,799,235,643.29 - Step 5: Solve for x
x = 5,799,235,643.29/106,437.88 - Step 6: Final answer
x = 54,484.70
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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.