Finding the Fourth Proportional to 291,948.12, 402,889.14 and 164,625.84
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Solution
The fourth proportional to 291,948.12, 402,889.14 and 164,625.84 is: 227,184.07
Step by Step Solution
- Step 1: Write the proportion equation
291,948.12 : 402,889.14 = 164,625.84 : x - Step 2: Convert to fraction form
291,948.12/402,889.14 = 164,625.84/x - Step 3: Cross multiply
291,948.12x = 402,889.14 × 164,625.84 - Step 4: Simplify right side
291,948.12x = 66,325,963,099.38 - Step 5: Solve for x
x = 66,325,963,099.38/291,948.12 - Step 6: Final answer
x = 227,184.07
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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.