Finding the Fourth Proportional to 498,885.75, 748,335.11 and 166,461.75
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Solution
The fourth proportional to 498,885.75, 748,335.11 and 166,461.75 is: 249,694.79
Step by Step Solution
- Step 1: Write the proportion equation
498,885.75 : 748,335.11 = 166,461.75 : x - Step 2: Convert to fraction form
498,885.75/748,335.11 = 166,461.75/x - Step 3: Cross multiply
498,885.75x = 748,335.11 × 166,461.75 - Step 4: Simplify right side
498,885.75x = 124,569,171,164.73 - Step 5: Solve for x
x = 124,569,171,164.73/498,885.75 - Step 6: Final answer
x = 249,694.79
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1.5x scale
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.