Finding the Fourth Proportional to 117,426.24, 176,346.51 and 87,448.62
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Solution
The fourth proportional to 117,426.24, 176,346.51 and 87,448.62 is: 131,327.20
Step by Step Solution
- Step 1: Write the proportion equation
117,426.24 : 176,346.51 = 87,448.62 : x - Step 2: Convert to fraction form
117,426.24/176,346.51 = 87,448.62/x - Step 3: Cross multiply
117,426.24x = 176,346.51 × 87,448.62 - Step 4: Simplify right side
117,426.24x = 15,421,258,774.63 - Step 5: Solve for x
x = 15,421,258,774.63/117,426.24 - Step 6: Final answer
x = 131,327.20
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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.