Finding the Fourth Proportional to 448,486.62, 618,909.03 and 247,282.62
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Solution
The fourth proportional to 448,486.62, 618,909.03 and 247,282.62 is: 341,248.63
Step by Step Solution
- Step 1: Write the proportion equation
448,486.62 : 618,909.03 = 247,282.62 : x - Step 2: Convert to fraction form
448,486.62/618,909.03 = 247,282.62/x - Step 3: Cross multiply
448,486.62x = 618,909.03 × 247,282.62 - Step 4: Simplify right side
448,486.62x = 153,045,446,480.06 - Step 5: Solve for x
x = 153,045,446,480.06/448,486.62 - Step 6: Final answer
x = 341,248.63
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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.