Finding the Fourth Proportional to 121,303.84, 181,966.70 and 46,420.96
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Solution
The fourth proportional to 121,303.84, 181,966.70 and 46,420.96 is: 69,635.63
Step by Step Solution
- Step 1: Write the proportion equation
121,303.84 : 181,966.70 = 46,420.96 : x - Step 2: Convert to fraction form
121,303.84/181,966.70 = 46,420.96/x - Step 3: Cross multiply
121,303.84x = 181,966.70 × 46,420.96 - Step 4: Simplify right side
121,303.84x = 8,447,068,902.03 - Step 5: Solve for x
x = 8,447,068,902.03/121,303.84 - Step 6: Final answer
x = 69,635.63
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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.