Finding the Fourth Proportional to 521,603.97, 782,397.56 and 166,615.65
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Solution
The fourth proportional to 521,603.97, 782,397.56 and 166,615.65 is: 249,920.79
Step by Step Solution
- Step 1: Write the proportion equation
521,603.97 : 782,397.56 = 166,615.65 : x - Step 2: Convert to fraction form
521,603.97/782,397.56 = 166,615.65/x - Step 3: Cross multiply
521,603.97x = 782,397.56 × 166,615.65 - Step 4: Simplify right side
521,603.97x = 130,359,677,184.74 - Step 5: Solve for x
x = 130,359,677,184.74/521,603.97 - Step 6: Final answer
x = 249,920.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.