Finding the Fourth Proportional to 438,089.30, 604,570.20 and 247,106.49
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Solution
The fourth proportional to 438,089.30, 604,570.20 and 247,106.49 is: 341,010.88
Step by Step Solution
- Step 1: Write the proportion equation
438,089.30 : 604,570.20 = 247,106.49 : x - Step 2: Convert to fraction form
438,089.30/604,570.20 = 247,106.49/x - Step 3: Cross multiply
438,089.30x = 604,570.20 × 247,106.49 - Step 4: Simplify right side
438,089.30x = 149,393,215,822.22 - Step 5: Solve for x
x = 149,393,215,822.22/438,089.30 - Step 6: Final answer
x = 341,010.88
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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.