Finding the Fourth Proportional to 461,953.13, 637,432.34 and 257,977.98
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Solution
The fourth proportional to 461,953.13, 637,432.34 and 257,977.98 is: 355,974.44
Step by Step Solution
- Step 1: Write the proportion equation
461,953.13 : 637,432.34 = 257,977.98 : x - Step 2: Convert to fraction form
461,953.13/637,432.34 = 257,977.98/x - Step 3: Cross multiply
461,953.13x = 637,432.34 × 257,977.98 - Step 4: Simplify right side
461,953.13x = 164,443,506,169.98 - Step 5: Solve for x
x = 164,443,506,169.98/461,953.13 - Step 6: Final answer
x = 355,974.44
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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.