Finding the Fourth Proportional to 370,723.86, 556,128.99 and 134,177.94
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Solution
The fourth proportional to 370,723.86, 556,128.99 and 134,177.94 is: 201,282.55
Step by Step Solution
- Step 1: Write the proportion equation
370,723.86 : 556,128.99 = 134,177.94 : x - Step 2: Convert to fraction form
370,723.86/556,128.99 = 134,177.94/x - Step 3: Cross multiply
370,723.86x = 556,128.99 × 134,177.94 - Step 4: Simplify right side
370,723.86x = 74,620,242,252.48 - Step 5: Solve for x
x = 74,620,242,252.48/370,723.86 - Step 6: Final answer
x = 201,282.55
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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.