Finding the Fourth Proportional to 422,497.08, 633,746.70 and 106,954.02
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Solution
The fourth proportional to 422,497.08, 633,746.70 and 106,954.02 is: 160,431.30
Step by Step Solution
- Step 1: Write the proportion equation
422,497.08 : 633,746.70 = 106,954.02 : x - Step 2: Convert to fraction form
422,497.08/633,746.70 = 106,954.02/x - Step 3: Cross multiply
422,497.08x = 633,746.70 × 106,954.02 - Step 4: Simplify right side
422,497.08x = 67,781,757,226.73 - Step 5: Solve for x
x = 67,781,757,226.73/422,497.08 - Step 6: Final answer
x = 160,431.30
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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.