Finding the Fourth Proportional to 150,587.08, 207,820.71 and 86,065.82
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Solution
The fourth proportional to 150,587.08, 207,820.71 and 86,065.82 is: 118,776.86
Step by Step Solution
- Step 1: Write the proportion equation
150,587.08 : 207,820.71 = 86,065.82 : x - Step 2: Convert to fraction form
150,587.08/207,820.71 = 86,065.82/x - Step 3: Cross multiply
150,587.08x = 207,820.71 × 86,065.82 - Step 4: Simplify right side
150,587.08x = 17,886,259,819.13 - Step 5: Solve for x
x = 17,886,259,819.13/150,587.08 - Step 6: Final answer
x = 118,776.86
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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.