Finding the Fourth Proportional to 121,334.04, 181,913.58 and 42,427.08
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Solution
The fourth proportional to 121,334.04, 181,913.58 and 42,427.08 is: 63,610.03
Step by Step Solution
- Step 1: Write the proportion equation
121,334.04 : 181,913.58 = 42,427.08 : x - Step 2: Convert to fraction form
121,334.04/181,913.58 = 42,427.08/x - Step 3: Cross multiply
121,334.04x = 181,913.58 × 42,427.08 - Step 4: Simplify right side
121,334.04x = 7,718,062,011.75 - Step 5: Solve for x
x = 7,718,062,011.75/121,334.04 - Step 6: Final answer
x = 63,610.03
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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.