Finding the Fourth Proportional to 242,070.93, 334,053.09 and 134,638.65
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Solution
The fourth proportional to 242,070.93, 334,053.09 and 134,638.65 is: 185,798.67
Step by Step Solution
- Step 1: Write the proportion equation
242,070.93 : 334,053.09 = 134,638.65 : x - Step 2: Convert to fraction form
242,070.93/334,053.09 = 134,638.65/x - Step 3: Cross multiply
242,070.93x = 334,053.09 × 134,638.65 - Step 4: Simplify right side
242,070.93x = 44,976,457,065.93 - Step 5: Solve for x
x = 44,976,457,065.93/242,070.93 - Step 6: Final answer
x = 185,798.67
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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.