Finding the Fourth Proportional to 447,423.26, 671,239.99 and 147,903.82
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Solution
The fourth proportional to 447,423.26, 671,239.99 and 147,903.82 is: 221,890.48
Step by Step Solution
- Step 1: Write the proportion equation
447,423.26 : 671,239.99 = 147,903.82 : x - Step 2: Convert to fraction form
447,423.26/671,239.99 = 147,903.82/x - Step 3: Cross multiply
447,423.26x = 671,239.99 × 147,903.82 - Step 4: Simplify right side
447,423.26x = 99,278,959,966.10 - Step 5: Solve for x
x = 99,278,959,966.10/447,423.26 - Step 6: Final answer
x = 221,890.48
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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.