Finding the Fourth Proportional to 380,266.83, 524,161.71 and 257,721.02
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Solution
The fourth proportional to 380,266.83, 524,161.71 and 257,721.02 is: 355,243.95
Step by Step Solution
- Step 1: Write the proportion equation
380,266.83 : 524,161.71 = 257,721.02 : x - Step 2: Convert to fraction form
380,266.83/524,161.71 = 257,721.02/x - Step 3: Cross multiply
380,266.83x = 524,161.71 × 257,721.02 - Step 4: Simplify right side
380,266.83x = 135,087,489,890.94 - Step 5: Solve for x
x = 135,087,489,890.94/380,266.83 - Step 6: Final answer
x = 355,243.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.