Finding the Fourth Proportional to 103,565.19, 155,356.68 and 44,386.80
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Solution
The fourth proportional to 103,565.19, 155,356.68 and 44,386.80 is: 66,584.01
Step by Step Solution
- Step 1: Write the proportion equation
103,565.19 : 155,356.68 = 44,386.80 : x - Step 2: Convert to fraction form
103,565.19/155,356.68 = 44,386.80/x - Step 3: Cross multiply
103,565.19x = 155,356.68 × 44,386.80 - Step 4: Simplify right side
103,565.19x = 6,895,785,883.82 - Step 5: Solve for x
x = 6,895,785,883.82/103,565.19 - Step 6: Final answer
x = 66,584.01
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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.