Finding the Fourth Proportional to 439,745.80, 659,671.26 and 155,377.48
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Solution
The fourth proportional to 439,745.80, 659,671.26 and 155,377.48 is: 233,084.79
Step by Step Solution
- Step 1: Write the proportion equation
439,745.80 : 659,671.26 = 155,377.48 : x - Step 2: Convert to fraction form
439,745.80/659,671.26 = 155,377.48/x - Step 3: Cross multiply
439,745.80x = 659,671.26 × 155,377.48 - Step 4: Simplify right side
439,745.80x = 102,498,058,007.23 - Step 5: Solve for x
x = 102,498,058,007.23/439,745.80 - Step 6: Final answer
x = 233,084.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.