Finding the Fourth Proportional to 102,220.84, 153,007.26 and 74,045.80
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Solution
The fourth proportional to 102,220.84, 153,007.26 and 74,045.80 is: 110,834.00
Step by Step Solution
- Step 1: Write the proportion equation
102,220.84 : 153,007.26 = 74,045.80 : x - Step 2: Convert to fraction form
102,220.84/153,007.26 = 74,045.80/x - Step 3: Cross multiply
102,220.84x = 153,007.26 × 74,045.80 - Step 4: Simplify right side
102,220.84x = 11,329,544,972.51 - Step 5: Solve for x
x = 11,329,544,972.51/102,220.84 - Step 6: Final answer
x = 110,834.00
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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.