Finding the Fourth Proportional to 238,080.62, 328,559.62 and 130,651.53
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Solution
The fourth proportional to 238,080.62, 328,559.62 and 130,651.53 is: 180,303.70
Step by Step Solution
- Step 1: Write the proportion equation
238,080.62 : 328,559.62 = 130,651.53 : x - Step 2: Convert to fraction form
238,080.62/328,559.62 = 130,651.53/x - Step 3: Cross multiply
238,080.62x = 328,559.62 × 130,651.53 - Step 4: Simplify right side
238,080.62x = 42,926,817,216.15 - Step 5: Solve for x
x = 42,926,817,216.15/238,080.62 - Step 6: Final answer
x = 180,303.70
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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.