Finding the Fourth Proportional to 121,330.65, 181,995.98 and 62,281.65
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Solution
The fourth proportional to 121,330.65, 181,995.98 and 62,281.65 is: 93,422.48
Step by Step Solution
- Step 1: Write the proportion equation
121,330.65 : 181,995.98 = 62,281.65 : x - Step 2: Convert to fraction form
121,330.65/181,995.98 = 62,281.65/x - Step 3: Cross multiply
121,330.65x = 181,995.98 × 62,281.65 - Step 4: Simplify right side
121,330.65x = 11,335,009,616.36 - Step 5: Solve for x
x = 11,335,009,616.36/121,330.65 - Step 6: Final answer
x = 93,422.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.