Finding the Fourth Proportional to 240,743.84, 332,225.96 and 138,768.62
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Solution
The fourth proportional to 240,743.84, 332,225.96 and 138,768.62 is: 191,500.39
Step by Step Solution
- Step 1: Write the proportion equation
240,743.84 : 332,225.96 = 138,768.62 : x - Step 2: Convert to fraction form
240,743.84/332,225.96 = 138,768.62/x - Step 3: Cross multiply
240,743.84x = 332,225.96 × 138,768.62 - Step 4: Simplify right side
240,743.84x = 46,102,537,303.53 - Step 5: Solve for x
x = 46,102,537,303.53/240,743.84 - Step 6: Final answer
x = 191,500.39
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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.