Finding the Fourth Proportional to 313,720.02, 432,863.73 and 177,742.08
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Solution
The fourth proportional to 313,720.02, 432,863.73 and 177,742.08 is: 245,244.47
Step by Step Solution
- Step 1: Write the proportion equation
313,720.02 : 432,863.73 = 177,742.08 : x - Step 2: Convert to fraction form
313,720.02/432,863.73 = 177,742.08/x - Step 3: Cross multiply
313,720.02x = 432,863.73 × 177,742.08 - Step 4: Simplify right side
313,720.02x = 76,938,099,726.76 - Step 5: Solve for x
x = 76,938,099,726.76/313,720.02 - Step 6: Final answer
x = 245,244.47
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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.