Finding the Fourth Proportional to 440,318.68, 607,639.26 and 239,113.24
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Solution
The fourth proportional to 440,318.68, 607,639.26 and 239,113.24 is: 329,975.99
Step by Step Solution
- Step 1: Write the proportion equation
440,318.68 : 607,639.26 = 239,113.24 : x - Step 2: Convert to fraction form
440,318.68/607,639.26 = 239,113.24/x - Step 3: Cross multiply
440,318.68x = 607,639.26 × 239,113.24 - Step 4: Simplify right side
440,318.68x = 145,294,592,209.80 - Step 5: Solve for x
x = 145,294,592,209.80/440,318.68 - Step 6: Final answer
x = 329,975.99
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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.