Finding the Fourth Proportional to 240,678.42, 332,134.47 and 145,237.74
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Solution
The fourth proportional to 240,678.42, 332,134.47 and 145,237.74 is: 200,427.03
Step by Step Solution
- Step 1: Write the proportion equation
240,678.42 : 332,134.47 = 145,237.74 : x - Step 2: Convert to fraction form
240,678.42/332,134.47 = 145,237.74/x - Step 3: Cross multiply
240,678.42x = 332,134.47 × 145,237.74 - Step 4: Simplify right side
240,678.42x = 48,238,459,798.90 - Step 5: Solve for x
x = 48,238,459,798.90/240,678.42 - Step 6: Final answer
x = 200,427.03
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1.5x scale
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.