Finding the Fourth Proportional to 450,699.75, 621,965.67 and 249,495.75
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Solution
The fourth proportional to 450,699.75, 621,965.67 and 249,495.75 is: 344,304.14
Step by Step Solution
- Step 1: Write the proportion equation
450,699.75 : 621,965.67 = 249,495.75 : x - Step 2: Convert to fraction form
450,699.75/621,965.67 = 249,495.75/x - Step 3: Cross multiply
450,699.75x = 621,965.67 × 249,495.75 - Step 4: Simplify right side
450,699.75x = 155,177,791,310.90 - Step 5: Solve for x
x = 155,177,791,310.90/450,699.75 - Step 6: Final answer
x = 344,304.14
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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.