Finding the Fourth Proportional to 242,261.74, 334,332.21 and 134,838.65
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Solution
The fourth proportional to 242,261.74, 334,332.21 and 134,838.65 is: 186,083.46
Step by Step Solution
- Step 1: Write the proportion equation
242,261.74 : 334,332.21 = 134,838.65 : x - Step 2: Convert to fraction form
242,261.74/334,332.21 = 134,838.65/x - Step 3: Cross multiply
242,261.74x = 334,332.21 × 134,838.65 - Step 4: Simplify right side
242,261.74x = 45,080,903,847.92 - Step 5: Solve for x
x = 45,080,903,847.92/242,261.74 - Step 6: Final answer
x = 186,083.46
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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.