Finding the Fourth Proportional to 461,903.64, 637,390.67 and 257,938.62
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Solution
The fourth proportional to 461,903.64, 637,390.67 and 257,938.62 is: 355,934.99
Step by Step Solution
- Step 1: Write the proportion equation
461,903.64 : 637,390.67 = 257,938.62 : x - Step 2: Convert to fraction form
461,903.64/637,390.67 = 257,938.62/x - Step 3: Cross multiply
461,903.64x = 637,390.67 × 257,938.62 - Step 4: Simplify right side
461,903.64x = 164,407,668,530.98 - Step 5: Solve for x
x = 164,407,668,530.98/461,903.64 - Step 6: Final answer
x = 355,934.99
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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.