Finding the Fourth Proportional to 149,571.12, 223,830.08 and 93,437.68
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Solution
The fourth proportional to 149,571.12, 223,830.08 and 93,437.68 is: 139,827.55
Step by Step Solution
- Step 1: Write the proportion equation
149,571.12 : 223,830.08 = 93,437.68 : x - Step 2: Convert to fraction form
149,571.12/223,830.08 = 93,437.68/x - Step 3: Cross multiply
149,571.12x = 223,830.08 × 93,437.68 - Step 4: Simplify right side
149,571.12x = 20,914,163,389.41 - Step 5: Solve for x
x = 20,914,163,389.41/149,571.12 - Step 6: Final answer
x = 139,827.55
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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.