Finding the Fourth Proportional to 370,720.80, 556,048.80 and 121,402.80
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Solution
The fourth proportional to 370,720.80, 556,048.80 and 121,402.80 is: 182,093.59
Step by Step Solution
- Step 1: Write the proportion equation
370,720.80 : 556,048.80 = 121,402.80 : x - Step 2: Convert to fraction form
370,720.80/556,048.80 = 121,402.80/x - Step 3: Cross multiply
370,720.80x = 556,048.80 × 121,402.80 - Step 4: Simplify right side
370,720.80x = 67,505,881,256.64 - Step 5: Solve for x
x = 67,505,881,256.64/370,720.80 - Step 6: Final answer
x = 182,093.59
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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.