Finding the Fourth Proportional to 664,866.19, 997,299.28 and 166,230.19
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Solution
The fourth proportional to 664,866.19, 997,299.28 and 166,230.19 is: 249,345.28
Step by Step Solution
- Step 1: Write the proportion equation
664,866.19 : 997,299.28 = 166,230.19 : x - Step 2: Convert to fraction form
664,866.19/997,299.28 = 166,230.19/x - Step 3: Cross multiply
664,866.19x = 997,299.28 × 166,230.19 - Step 4: Simplify right side
664,866.19x = 165,781,248,801.26 - Step 5: Solve for x
x = 165,781,248,801.26/664,866.19 - Step 6: Final answer
x = 249,345.28
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Similar ratio
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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.