Finding the Fourth Proportional to 291,119.04, 436,785.36 and 122,681.76
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Solution
The fourth proportional to 291,119.04, 436,785.36 and 122,681.76 is: 184,067.65
Step by Step Solution
- Step 1: Write the proportion equation
291,119.04 : 436,785.36 = 122,681.76 : x - Step 2: Convert to fraction form
291,119.04/436,785.36 = 122,681.76/x - Step 3: Cross multiply
291,119.04x = 436,785.36 × 122,681.76 - Step 4: Simplify right side
291,119.04x = 53,585,596,707.03 - Step 5: Solve for x
x = 53,585,596,707.03/291,119.04 - Step 6: Final answer
x = 184,067.65
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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.