Finding the Fourth Proportional to 238,292,611.10, 357,438,916.65 and 84,883,309.10
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Solution
The fourth proportional to 238,292,611.10, 357,438,916.65 and 84,883,309.10 is: 127,324,963.65
Step by Step Solution
- Step 1: Write the proportion equation
238,292,611.10 : 357,438,916.65 = 84,883,309.10 : x - Step 2: Convert to fraction form
238,292,611.10/357,438,916.65 = 84,883,309.10/x - Step 3: Cross multiply
238,292,611.10x = 357,438,916.65 × 84,883,309.10 - Step 4: Simplify right side
238,292,611.10x = 30,340,598,046,371,084 - Step 5: Solve for x
x = 30,340,598,046,371,084/238,292,611.10 - Step 6: Final answer
x = 127,324,963.65
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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.