Finding the Fourth Proportional to 385,725.13, 578,541.62 and 101,437.83
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Solution
The fourth proportional to 385,725.13, 578,541.62 and 101,437.83 is: 152,144.63
Step by Step Solution
- Step 1: Write the proportion equation
385,725.13 : 578,541.62 = 101,437.83 : x - Step 2: Convert to fraction form
385,725.13/578,541.62 = 101,437.83/x - Step 3: Cross multiply
385,725.13x = 578,541.62 × 101,437.83 - Step 4: Simplify right side
385,725.13x = 58,686,006,751.08 - Step 5: Solve for x
x = 58,686,006,751.08/385,725.13 - Step 6: Final answer
x = 152,144.63
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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.