Finding the Fourth Proportional to 207,005.61, 285,669.33 and 115,126.19
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Solution
The fourth proportional to 207,005.61, 285,669.33 and 115,126.19 is: 158,875.02
Step by Step Solution
- Step 1: Write the proportion equation
207,005.61 : 285,669.33 = 115,126.19 : x - Step 2: Convert to fraction form
207,005.61/285,669.33 = 115,126.19/x - Step 3: Cross multiply
207,005.61x = 285,669.33 × 115,126.19 - Step 4: Simplify right side
207,005.61x = 32,888,020,134.41 - Step 5: Solve for x
x = 32,888,020,134.41/207,005.61 - Step 6: Final answer
x = 158,875.02
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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.