Finding the Fourth Proportional to 455,767.02, 628,947.99 and 251,807.40
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Solution
The fourth proportional to 455,767.02, 628,947.99 and 251,807.40 is: 347,488.41
Step by Step Solution
- Step 1: Write the proportion equation
455,767.02 : 628,947.99 = 251,807.40 : x - Step 2: Convert to fraction form
455,767.02/628,947.99 = 251,807.40/x - Step 3: Cross multiply
455,767.02x = 628,947.99 × 251,807.40 - Step 4: Simplify right side
455,767.02x = 158,373,758,097.13 - Step 5: Solve for x
x = 158,373,758,097.13/455,767.02 - Step 6: Final answer
x = 347,488.41
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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.