Finding the Fourth Proportional to 207,070.02, 285,051.42 and 153,253.62
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Solution
The fourth proportional to 207,070.02, 285,051.42 and 153,253.62 is: 210,968.07
Step by Step Solution
- Step 1: Write the proportion equation
207,070.02 : 285,051.42 = 153,253.62 : x - Step 2: Convert to fraction form
207,070.02/285,051.42 = 153,253.62/x - Step 3: Cross multiply
207,070.02x = 285,051.42 × 153,253.62 - Step 4: Simplify right side
207,070.02x = 43,685,162,001.14 - Step 5: Solve for x
x = 43,685,162,001.14/207,070.02 - Step 6: Final answer
x = 210,968.07
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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.