Finding the Fourth Proportional to 238,344.18, 328,923.36 and 130,924.14
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Solution
The fourth proportional to 238,344.18, 328,923.36 and 130,924.14 is: 180,679.92
Step by Step Solution
- Step 1: Write the proportion equation
238,344.18 : 328,923.36 = 130,924.14 : x - Step 2: Convert to fraction form
238,344.18/328,923.36 = 130,924.14/x - Step 3: Cross multiply
238,344.18x = 328,923.36 × 130,924.14 - Step 4: Simplify right side
238,344.18x = 43,064,008,033.91 - Step 5: Solve for x
x = 43,064,008,033.91/238,344.18 - Step 6: Final answer
x = 180,679.92
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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.