Finding the Fourth Proportional to 445,422.84, 668,171.70 and 145,897.08
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Solution
The fourth proportional to 445,422.84, 668,171.70 and 145,897.08 is: 218,857.88
Step by Step Solution
- Step 1: Write the proportion equation
445,422.84 : 668,171.70 = 145,897.08 : x - Step 2: Convert to fraction form
445,422.84/668,171.70 = 145,897.08/x - Step 3: Cross multiply
445,422.84x = 668,171.70 × 145,897.08 - Step 4: Simplify right side
445,422.84x = 97,484,299,968.64 - Step 5: Solve for x
x = 97,484,299,968.64/445,422.84 - Step 6: Final answer
x = 218,857.88
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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.