Finding the Fourth Proportional to 242,927.07, 335,238.48 and 135,497.01
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Solution
The fourth proportional to 242,927.07, 335,238.48 and 135,497.01 is: 186,985.39
Step by Step Solution
- Step 1: Write the proportion equation
242,927.07 : 335,238.48 = 135,497.01 : x - Step 2: Convert to fraction form
242,927.07/335,238.48 = 135,497.01/x - Step 3: Cross multiply
242,927.07x = 335,238.48 × 135,497.01 - Step 4: Simplify right side
242,927.07x = 45,423,812,934.09 - Step 5: Solve for x
x = 45,423,812,934.09/242,927.07 - Step 6: Final answer
x = 186,985.39
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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.