Finding the Fourth Proportional to 150,547.98, 207,765.41 and 86,889.88
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Solution
The fourth proportional to 150,547.98, 207,765.41 and 86,889.88 is: 119,913.34
Step by Step Solution
- Step 1: Write the proportion equation
150,547.98 : 207,765.41 = 86,889.88 : x - Step 2: Convert to fraction form
150,547.98/207,765.41 = 86,889.88/x - Step 3: Cross multiply
150,547.98x = 207,765.41 × 86,889.88 - Step 4: Simplify right side
150,547.98x = 18,052,711,543.05 - Step 5: Solve for x
x = 18,052,711,543.05/150,547.98 - Step 6: Final answer
x = 119,913.34
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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.