Finding the Fourth Proportional to 242,298.84, 363,449.94 and 84,526.68
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Solution
The fourth proportional to 242,298.84, 363,449.94 and 84,526.68 is: 126,790.61
Step by Step Solution
- Step 1: Write the proportion equation
242,298.84 : 363,449.94 = 84,526.68 : x - Step 2: Convert to fraction form
242,298.84/363,449.94 = 84,526.68/x - Step 3: Cross multiply
242,298.84x = 363,449.94 × 84,526.68 - Step 4: Simplify right side
242,298.84x = 30,721,216,774.40 - Step 5: Solve for x
x = 30,721,216,774.40/242,298.84 - Step 6: Final answer
x = 126,790.61
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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.