Finding the Fourth Proportional to 238,080.11, 328,560.03 and 130,653.99
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Solution
The fourth proportional to 238,080.11, 328,560.03 and 130,653.99 is: 180,307.70
Step by Step Solution
- Step 1: Write the proportion equation
238,080.11 : 328,560.03 = 130,653.99 : x - Step 2: Convert to fraction form
238,080.11/328,560.03 = 130,653.99/x - Step 3: Cross multiply
238,080.11x = 328,560.03 × 130,653.99 - Step 4: Simplify right side
238,080.11x = 42,927,676,577.95 - Step 5: Solve for x
x = 42,927,676,577.95/238,080.11 - Step 6: Final answer
x = 180,307.70
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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.