Finding the Fourth Proportional to 310,992.76, 466,193.58 and 121,574.62
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Solution
The fourth proportional to 310,992.76, 466,193.58 and 121,574.62 is: 182,246.39
Step by Step Solution
- Step 1: Write the proportion equation
310,992.76 : 466,193.58 = 121,574.62 : x - Step 2: Convert to fraction form
310,992.76/466,193.58 = 121,574.62/x - Step 3: Cross multiply
310,992.76x = 466,193.58 × 121,574.62 - Step 4: Simplify right side
310,992.76x = 56,677,307,334.94 - Step 5: Solve for x
x = 56,677,307,334.94/310,992.76 - Step 6: Final answer
x = 182,246.39
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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.