Finding the Fourth Proportional to 409,415.84, 614,123.76 and 159,922.88
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Solution
The fourth proportional to 409,415.84, 614,123.76 and 159,922.88 is: 239,884.32
Step by Step Solution
- Step 1: Write the proportion equation
409,415.84 : 614,123.76 = 159,922.88 : x - Step 2: Convert to fraction form
409,415.84/614,123.76 = 159,922.88/x - Step 3: Cross multiply
409,415.84x = 614,123.76 × 159,922.88 - Step 4: Simplify right side
409,415.84x = 98,212,437,305.01 - Step 5: Solve for x
x = 98,212,437,305.01/409,415.84 - Step 6: Final answer
x = 239,884.32
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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.