Finding the Fourth Proportional to 1,368,911.99, 2,053,211.09 and 358,131.48
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Solution
The fourth proportional to 1,368,911.99, 2,053,211.09 and 358,131.48 is: 537,156.17
Step by Step Solution
- Step 1: Write the proportion equation
1,368,911.99 : 2,053,211.09 = 358,131.48 : x - Step 2: Convert to fraction form
1,368,911.99/2,053,211.09 = 358,131.48/x - Step 3: Cross multiply
1,368,911.99x = 2,053,211.09 × 358,131.48 - Step 4: Simplify right side
1,368,911.99x = 735,319,524,623.46 - Step 5: Solve for x
x = 735,319,524,623.46/1,368,911.99 - Step 6: Final answer
x = 537,156.17
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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.