Finding the Fourth Proportional to 177,389.64, 244,750.95 and 100,909.44
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Solution
The fourth proportional to 177,389.64, 244,750.95 and 100,909.44 is: 139,228.43
Step by Step Solution
- Step 1: Write the proportion equation
177,389.64 : 244,750.95 = 100,909.44 : x - Step 2: Convert to fraction form
177,389.64/244,750.95 = 100,909.44/x - Step 3: Cross multiply
177,389.64x = 244,750.95 × 100,909.44 - Step 4: Simplify right side
177,389.64x = 24,697,681,303.97 - Step 5: Solve for x
x = 24,697,681,303.97/177,389.64 - Step 6: Final answer
x = 139,228.43
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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.