Finding the Fourth Proportional to 394,964.74, 592,464.04 and 155,130.63
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Solution
The fourth proportional to 394,964.74, 592,464.04 and 155,130.63 is: 232,702.59
Step by Step Solution
- Step 1: Write the proportion equation
394,964.74 : 592,464.04 = 155,130.63 : x - Step 2: Convert to fraction form
394,964.74/592,464.04 = 155,130.63/x - Step 3: Cross multiply
394,964.74x = 592,464.04 × 155,130.63 - Step 4: Simplify right side
394,964.74x = 91,909,317,167.98 - Step 5: Solve for x
x = 91,909,317,167.98/394,964.74 - Step 6: Final answer
x = 232,702.59
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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.