Finding the Fourth Proportional to 461,648.52, 637,106.99 and 257,739.53
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Solution
The fourth proportional to 461,648.52, 637,106.99 and 257,739.53 is: 355,698.43
Step by Step Solution
- Step 1: Write the proportion equation
461,648.52 : 637,106.99 = 257,739.53 : x - Step 2: Convert to fraction form
461,648.52/637,106.99 = 257,739.53/x - Step 3: Cross multiply
461,648.52x = 637,106.99 × 257,739.53 - Step 4: Simplify right side
461,648.52x = 164,207,651,688.08 - Step 5: Solve for x
x = 164,207,651,688.08/461,648.52 - Step 6: Final answer
x = 355,698.43
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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.