Finding the Fourth Proportional to 440,028.99, 607,240.40 and 238,824.99
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Solution
The fourth proportional to 440,028.99, 607,240.40 and 238,824.99 is: 329,578.70
Step by Step Solution
- Step 1: Write the proportion equation
440,028.99 : 607,240.40 = 238,824.99 : x - Step 2: Convert to fraction form
440,028.99/607,240.40 = 238,824.99/x - Step 3: Cross multiply
440,028.99x = 607,240.40 × 238,824.99 - Step 4: Simplify right side
440,028.99x = 145,024,181,263.47 - Step 5: Solve for x
x = 145,024,181,263.47/440,028.99 - Step 6: Final answer
x = 329,578.70
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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.