Finding the Fourth Proportional to 292,723.98, 403,953.84 and 165,396.84
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Solution
The fourth proportional to 292,723.98, 403,953.84 and 165,396.84 is: 228,244.67
Step by Step Solution
- Step 1: Write the proportion equation
292,723.98 : 403,953.84 = 165,396.84 : x - Step 2: Convert to fraction form
292,723.98/403,953.84 = 165,396.84/x - Step 3: Cross multiply
292,723.98x = 403,953.84 × 165,396.84 - Step 4: Simplify right side
292,723.98x = 66,812,688,641.87 - Step 5: Solve for x
x = 66,812,688,641.87/292,723.98 - Step 6: Final answer
x = 228,244.67
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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.