Finding the Fourth Proportional to 492,216.19, 679,258.80 and 265,861.69
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Solution
The fourth proportional to 492,216.19, 679,258.80 and 265,861.69 is: 366,889.38
Step by Step Solution
- Step 1: Write the proportion equation
492,216.19 : 679,258.80 = 265,861.69 : x - Step 2: Convert to fraction form
492,216.19/679,258.80 = 265,861.69/x - Step 3: Cross multiply
492,216.19x = 679,258.80 × 265,861.69 - Step 4: Simplify right side
492,216.19x = 180,588,890,817.23 - Step 5: Solve for x
x = 180,588,890,817.23/492,216.19 - Step 6: Final answer
x = 366,889.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.