Finding the Fourth Proportional to 110,878.71, 153,013.10 and 60,578.79
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Solution
The fourth proportional to 110,878.71, 153,013.10 and 60,578.79 is: 83,598.99
Step by Step Solution
- Step 1: Write the proportion equation
110,878.71 : 153,013.10 = 60,578.79 : x - Step 2: Convert to fraction form
110,878.71/153,013.10 = 60,578.79/x - Step 3: Cross multiply
110,878.71x = 153,013.10 × 60,578.79 - Step 4: Simplify right side
110,878.71x = 9,269,348,149.26 - Step 5: Solve for x
x = 9,269,348,149.26/110,878.71 - Step 6: Final answer
x = 83,598.99
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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.