Finding the Fourth Proportional to 1,368,918.35, 2,053,220.60 and 358,137.87
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Solution
The fourth proportional to 1,368,918.35, 2,053,220.60 and 358,137.87 is: 537,165.75
Step by Step Solution
- Step 1: Write the proportion equation
1,368,918.35 : 2,053,220.60 = 358,137.87 : x - Step 2: Convert to fraction form
1,368,918.35/2,053,220.60 = 358,137.87/x - Step 3: Cross multiply
1,368,918.35x = 2,053,220.60 × 358,137.87 - Step 4: Simplify right side
1,368,918.35x = 735,336,050,533.43 - Step 5: Solve for x
x = 735,336,050,533.43/1,368,918.35 - Step 6: Final answer
x = 537,165.75
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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.