Finding the Fourth Proportional to 427,107.11, 589,420.10 and 236,132.80
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Solution
The fourth proportional to 427,107.11, 589,420.10 and 236,132.80 is: 325,870.06
Step by Step Solution
- Step 1: Write the proportion equation
427,107.11 : 589,420.10 = 236,132.80 : x - Step 2: Convert to fraction form
427,107.11/589,420.10 = 236,132.80/x - Step 3: Cross multiply
427,107.11x = 589,420.10 × 236,132.80 - Step 4: Simplify right side
427,107.11x = 139,181,417,706.06 - Step 5: Solve for x
x = 139,181,417,706.06/427,107.11 - Step 6: Final answer
x = 325,870.06
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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.