Finding the Fourth Proportional to 210,095.10, 289,924.07 and 125,210.62
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Solution
The fourth proportional to 210,095.10, 289,924.07 and 125,210.62 is: 172,786.38
Step by Step Solution
- Step 1: Write the proportion equation
210,095.10 : 289,924.07 = 125,210.62 : x - Step 2: Convert to fraction form
210,095.10/289,924.07 = 125,210.62/x - Step 3: Cross multiply
210,095.10x = 289,924.07 × 125,210.62 - Step 4: Simplify right side
210,095.10x = 36,301,572,557.62 - Step 5: Solve for x
x = 36,301,572,557.62/210,095.10 - Step 6: Final answer
x = 172,786.38
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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.