Finding the Fourth Proportional to 455,102.96, 628,037.70 and 251,155.76
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Solution
The fourth proportional to 455,102.96, 628,037.70 and 251,155.76 is: 346,592.53
Step by Step Solution
- Step 1: Write the proportion equation
455,102.96 : 628,037.70 = 251,155.76 : x - Step 2: Convert to fraction form
455,102.96/628,037.70 = 251,155.76/x - Step 3: Cross multiply
455,102.96x = 628,037.70 × 251,155.76 - Step 4: Simplify right side
455,102.96x = 157,735,285,852.15 - Step 5: Solve for x
x = 157,735,285,852.15/455,102.96 - Step 6: Final answer
x = 346,592.53
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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.