Finding the Fourth Proportional to 302,264.06, 453,299.49 and 99,815.09
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Solution
The fourth proportional to 302,264.06, 453,299.49 and 99,815.09 is: 149,690.73
Step by Step Solution
- Step 1: Write the proportion equation
302,264.06 : 453,299.49 = 99,815.09 : x - Step 2: Convert to fraction form
302,264.06/453,299.49 = 99,815.09/x - Step 3: Cross multiply
302,264.06x = 453,299.49 × 99,815.09 - Step 4: Simplify right side
302,264.06x = 45,246,127,124.81 - Step 5: Solve for x
x = 45,246,127,124.81/302,264.06 - Step 6: Final answer
x = 149,690.73
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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.