Finding the Fourth Proportional to 838,137.04, 1,257,400.84 and 239,106.48
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Solution
The fourth proportional to 838,137.04, 1,257,400.84 and 239,106.48 is: 358,715.43
Step by Step Solution
- Step 1: Write the proportion equation
838,137.04 : 1,257,400.84 = 239,106.48 : x - Step 2: Convert to fraction form
838,137.04/1,257,400.84 = 239,106.48/x - Step 3: Cross multiply
838,137.04x = 1,257,400.84 × 239,106.48 - Step 4: Simplify right side
838,137.04x = 300,652,688,801.44 - Step 5: Solve for x
x = 300,652,688,801.44/838,137.04 - Step 6: Final answer
x = 358,715.43
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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.