Finding the Fourth Proportional to 454,708.99, 627,490.11 and 250,778.74
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Solution
The fourth proportional to 454,708.99, 627,490.11 and 250,778.74 is: 346,070.09
Step by Step Solution
- Step 1: Write the proportion equation
454,708.99 : 627,490.11 = 250,778.74 : x - Step 2: Convert to fraction form
454,708.99/627,490.11 = 250,778.74/x - Step 3: Cross multiply
454,708.99x = 627,490.11 × 250,778.74 - Step 4: Simplify right side
454,708.99x = 157,361,179,148.26 - Step 5: Solve for x
x = 157,361,179,148.26/454,708.99 - Step 6: Final answer
x = 346,070.09
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1.5x scale
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.