Finding the Fourth Proportional to 286,133.74, 394,773.15 and 165,259.06
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Solution
The fourth proportional to 286,133.74, 394,773.15 and 165,259.06 is: 228,004.71
Step by Step Solution
- Step 1: Write the proportion equation
286,133.74 : 394,773.15 = 165,259.06 : x - Step 2: Convert to fraction form
286,133.74/394,773.15 = 165,259.06/x - Step 3: Cross multiply
286,133.74x = 394,773.15 × 165,259.06 - Step 4: Simplify right side
286,133.74x = 65,239,839,682.24 - Step 5: Solve for x
x = 65,239,839,682.24/286,133.74 - Step 6: Final answer
x = 228,004.71
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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.