Finding the Fourth Proportional to 472,745.63, 652,398.23 and 257,893.67
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Solution
The fourth proportional to 472,745.63, 652,398.23 and 257,893.67 is: 355,898.32
Step by Step Solution
- Step 1: Write the proportion equation
472,745.63 : 652,398.23 = 257,893.67 : x - Step 2: Convert to fraction form
472,745.63/652,398.23 = 257,893.67/x - Step 3: Cross multiply
472,745.63x = 652,398.23 × 257,893.67 - Step 4: Simplify right side
472,745.63x = 168,249,373,836.20 - Step 5: Solve for x
x = 168,249,373,836.20/472,745.63 - Step 6: Final answer
x = 355,898.32
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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.