Finding the Fourth Proportional to 274,536.79, 411,762.66 and 74,873.41
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Solution
The fourth proportional to 274,536.79, 411,762.66 and 74,873.41 is: 112,298.52
Step by Step Solution
- Step 1: Write the proportion equation
274,536.79 : 411,762.66 = 74,873.41 : x - Step 2: Convert to fraction form
274,536.79/411,762.66 = 74,873.41/x - Step 3: Cross multiply
274,536.79x = 411,762.66 × 74,873.41 - Step 4: Simplify right side
274,536.79x = 30,830,074,464.87 - Step 5: Solve for x
x = 30,830,074,464.87/274,536.79 - Step 6: Final answer
x = 112,298.52
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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.