Finding the Fourth Proportional to 237,891.13, 328,259.58 and 130,432.88
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Solution
The fourth proportional to 237,891.13, 328,259.58 and 130,432.88 is: 179,980.83
Step by Step Solution
- Step 1: Write the proportion equation
237,891.13 : 328,259.58 = 130,432.88 : x - Step 2: Convert to fraction form
237,891.13/328,259.58 = 130,432.88/x - Step 3: Cross multiply
237,891.13x = 328,259.58 × 130,432.88 - Step 4: Simplify right side
237,891.13x = 42,815,842,406.99 - Step 5: Solve for x
x = 42,815,842,406.99/237,891.13 - Step 6: Final answer
x = 179,980.83
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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.