Finding the Fourth Proportional to 229,266.24, 316,352.16 and 128,644.80
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Solution
The fourth proportional to 229,266.24, 316,352.16 and 128,644.80 is: 177,510.04
Step by Step Solution
- Step 1: Write the proportion equation
229,266.24 : 316,352.16 = 128,644.80 : x - Step 2: Convert to fraction form
229,266.24/316,352.16 = 128,644.80/x - Step 3: Cross multiply
229,266.24x = 316,352.16 × 128,644.80 - Step 4: Simplify right side
229,266.24x = 40,697,060,352.77 - Step 5: Solve for x
x = 40,697,060,352.77/229,266.24 - Step 6: Final answer
x = 177,510.04
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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.