Finding the Fourth Proportional to 519,762.62, 779,671.84 and 164,804.32
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Solution
The fourth proportional to 519,762.62, 779,671.84 and 164,804.32 is: 247,215.32
Step by Step Solution
- Step 1: Write the proportion equation
519,762.62 : 779,671.84 = 164,804.32 : x - Step 2: Convert to fraction form
519,762.62/779,671.84 = 164,804.32/x - Step 3: Cross multiply
519,762.62x = 779,671.84 × 164,804.32 - Step 4: Simplify right side
519,762.62x = 128,493,285,053.16 - Step 5: Solve for x
x = 128,493,285,053.16/519,762.62 - Step 6: Final answer
x = 247,215.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.