Finding the Fourth Proportional to 110,380.84, 152,313.06 and 62,621.80
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Solution
The fourth proportional to 110,380.84, 152,313.06 and 62,621.80 is: 86,410.99
Step by Step Solution
- Step 1: Write the proportion equation
110,380.84 : 152,313.06 = 62,621.80 : x - Step 2: Convert to fraction form
110,380.84/152,313.06 = 62,621.80/x - Step 3: Cross multiply
110,380.84x = 152,313.06 × 62,621.80 - Step 4: Simplify right side
110,380.84x = 9,538,117,980.71 - Step 5: Solve for x
x = 9,538,117,980.71/110,380.84 - Step 6: Final answer
x = 86,410.99
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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.