Finding the Fourth Proportional to 440,139.02, 607,445.48 and 258,842.18
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Solution
The fourth proportional to 440,139.02, 607,445.48 and 258,842.18 is: 357,233.75
Step by Step Solution
- Step 1: Write the proportion equation
440,139.02 : 607,445.48 = 258,842.18 : x - Step 2: Convert to fraction form
440,139.02/607,445.48 = 258,842.18/x - Step 3: Cross multiply
440,139.02x = 607,445.48 × 258,842.18 - Step 4: Simplify right side
440,139.02x = 157,232,512,984.08 - Step 5: Solve for x
x = 157,232,512,984.08/440,139.02 - Step 6: Final answer
x = 357,233.75
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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.